Index | Table of contents | Technical Report | Executive Summary | Background | Rear Window Defrogger and Wiper Information | State Crash Data | Analysis Databases | Analysis Method | Hypotheses | Conclusions | Appendix A
| Make-Models That Had At Least 500 Involvements In Pennsylvania | ||||||||||||||||||||||||||||||||||||
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| Percentage of Rear Window Defoggers For Model Years 1973-1986 | ||||||||||||||||||||||||||||||||||||
| CG | MM2 | NAME | 1973 | 1974 | 1975 | 1976 | 1977 | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | PRTCH | MI | FL | PA | MD |
| 1848 | 2016 | Chev-Cavalier J | . | . | . | . | . | . | . | . | . | 90.4 | 51.1 | 49.8 | 47.9 | 55.2 | 62 | 66.5 | 61.1 | 61 | 70.1 | 66.8 | 73.1 | 75.2 | . | . | . | . | . | . | . | 24.1 | 10020 | 11041 | 8272 | 3353 |
| 1231 | 1213 | Ford Escort | . | . | . | . | . | . | . | . | 36.5 | 38.3 | 35.9 | 35.8 | 42.2 | 60 | 67.5 | 80.6 | 86.5 | 88 | . | . | . | . | . | . | . | . | . | . | . | 51.5 | 15198 | 6667 | 6187 | 3001 |
| 1839 | 2002 | Chev-Caprice/Impala | . | . | . | . | 32 | 34.5 | 40.6 | 45.8 | 45.9 | 50.1 | 57 | 60.7 | 63.5 | 70.5 | 76.7 | 72.6 | 77.1 | 39.4 | 81.9 | 87.6 | 88.8 | 91.7 | 88.3 | 98.2 | . | . | . | . | . | 66.2 | 11201 | 11713 | 5512 | 3475 |
| 1235 | 1217 | Ford Taurus | . | . | . | . | . | . | . | . | . | . | . | . | . | 91.1 | 89.2 | 93.2 | 89.7 | 91.5 | 100 | 99.6 | 100 | 100 | 100 | . | . | . | . | . | . | 8.9 | 3336 | 9675 | 5182 | 2541 |
| 1234 | 1215 | Ford Tempo | . | . | . | . | . | . | . | . | . | . | 63.3 | 50.6 | 53.4 | 60.4 | 64.2 | 68.6 | 94.9 | 97.1 | 92.3 | 90.3 | 88.5 | 100 | . | . | . | . | . | . | . | 49.4 | 6684 | 8352 | 5038 | 1917 |
| 1850 | 2017 | Chev-Celebrity A | . | . | . | . | . | . | . | . | . | 52.9 | 59.3 | 60.7 | 62.6 | 64.5 | 79.5 | 73 | 73.2 | 77.8 | . | . | . | . | . | . | . | . | . | . | . | 24.9 | 6267 | 5466 | 4336 | 1470 |
| 1854 | 2218 | Pont-Grand Am N | . | . | . | . | . | . | . | . | . | . | . | . | 60.1 | 60.7 | 57.4 | 58.4 | 59.3 | 69.5 | 69.7 | 78.3 | 78 | 89.3 | 88.6 | 89.4 | 92.8 | 99.2 | . | . | . | 39.1 | 3510 | 7819 | 4219 | 1221 |
| 1850 | 2117 | Olds-Ciera A | . | . | . | . | . | . | . | . | . | 59.9 | 67.3 | 70.1 | 69.2 | 74 | 70.7 | 77.1 | 73.6 | 74.5 | 82.8 | 85.8 | 91.3 | 100 | 100 | 100 | . | . | . | . | . | 40.1 | 5716 | 6510 | 4100 | 1529 |
| 1844 | 2101 | Olds-Cutlass G | . | . | . | . | . | 36.7 | 45.8 | 45.1 | 46.6 | 46.7 | 48.9 | 50.9 | 54.9 | 67.2 | 66 | 70 | . | . | . | . | . | . | . | . | . | . | . | . | . | 33.3 | 4173 | 5036 | 3714 | 894 |
| 1838 | 2013 | Chev-Chevette T | . | . | . | 15.8 | 14 | 28.4 | 32.6 | 36.3 | 37 | 38.6 | 28.5 | 37.8 | 41.9 | 29.2 | 39.3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 23.5 | 9611 | 2580 | 3102 | 1387 |
| 1850 | 1817 | Buic-Century A | . | . | . | . | . | . | . | . | . | 61 | 68.6 | 71.6 | 70.9 | 72.3 | 73.2 | 72.7 | 84.2 | 87.3 | 84 | 88.5 | 88.3 | 92.9 | 95 | 100 | . | . | . | . | . | 39 | 4738 | 5225 | 2951 | 877 |
| 1227 | 1203 | Ford Mustang | . | . | . | . | . | . | 33.4 | 32.2 | 36.4 | 51.8 | 49.2 | 48.9 | 47.7 | 63.6 | 63.3 | 46.4 | 52.6 | . | 52.7 | 48.9 | 44.6 | . | . | . | . | . | . | . | . | 11.1 | 7022 | 9230 | 2702 | 1658 |
| 618 | 911 | Plym-Reliant(K) | . | . | . | . | . | . | . | . | 43.9 | 48.8 | 56 | 53.5 | 61.3 | 65.8 | 72.6 | 68.7 | 59.9 | . | . | . | . | . | . | . | . | . | . | . | . | 16 | 3719 | 2782 | 2690 | 866 |
| 1856 | 2019 | Chev-Corsica | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 59.6 | 62.9 | 67.2 | 84.9 | 89.9 | 91.8 | 92.9 | 95.5 | 91.3 | 91.8 | . | . | . | . | . | 32.2 | 1234 | 4005 | 2530 | 843 |
| 1848 | 2216 | Pont-Sunbird/Fire | . | . | . | . | . | . | . | . | 38.4 | 43.3 | 56.9 | 53.4 | 55 | 63.7 | 53.8 | 81.3 | 68.7 | 66.5 | 65.2 | 67.5 | 80.4 | 75.3 | . | . | . | . | . | . | . | 36.9 | 4949 | 3511 | 2491 | 771 |
| 4117 | 1213 | Ford Escort | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 89.4 | 85.2 | 83.6 | 83.5 | 85.5 | 88.7 | 100 | 90.4 | 87 | 100 | 100 | 14.8 | 292 | 7280 | 2403 | 1197 |
| 1845 | 2010 | Chev-Monte Carlo G | . | . | . | . | . | 28 | 32 | 38.1 | 36.6 | 44 | 50.6 | 54.9 | 65 | 73.1 | 68.8 | 74.6 | . | . | . | . | . | . | . | . | . | . | . | . | . | 46.6 | 4206 | 3877 | 2379 | 924 |
| 1228 | 1216 | Ford Crown Victoria | . | . | . | . | . | . | 38.5 | 39.1 | 61.2 | 64.5 | 75.3 | 63.3 | 80.1 | 80.9 | 86.7 | 89.3 | 87.5 | 89.4 | 94 | 95.3 | 97.1 | 97.7 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 61.5 | 3497 | 9925 | 2211 | 2264 |
| 1859 | 2020 | Chev-Lumina W | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 74.5 | 78.6 | 84.8 | 86.6 | 85.3 | 83.7 | 84.7 | 84.5 | 85.5 | 87.7 | 100 | 100 | 100 | 25.5 | 343 | 3819 | 2183 | 612 |
| 1847 | 2015 | Chev-Citation X | . | . | . | . | . | . | 43.7 | 45.8 | 45 | 47.2 | 53.4 | 63.6 | 61.1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 17.4 | 5084 | 1040 | 2173 | 447 |
| 618 | 711 | Dodge Aries (K) | . | . | . | . | . | . | . | . | 39.3 | 45.3 | 47.7 | 51.9 | 60.2 | 59.9 | 69.7 | 66.1 | 55 | . | . | . | . | . | . | . | . | . | . | . | . | 15.7 | 2996 | 3021 | 2138 | 826 |
| 1226 | 1212 | Ford Fairmont | . | . | . | . | . | 24.8 | 29.7 | 31.5 | 37 | 46.5 | 41.8 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 17 | 5152 | 2543 | 2106 | 735 |
| 1844 | 2001 | Chev-Malibu RWD | . | . | . | . | . | 27.8 | 34.4 | 39.5 | 39.7 | 50.3 | 54.4 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 26.6 | 3297 | 2041 | 2044 | 669 |
| 3710 | 3732 | Honda Accord | . | . | . | . | . | . | . | . | . | . | . | . | . | 100 | 100 | 100 | 100 | . | . | . | . | . | . | . | . | . | . | . | . | 0 | 1343 | 6842 | 2038 | 1416 |
| 1845 | 1810 | Buic-Regal G | . | . | . | . | . | 41 | 44.3 | 47 | 46.8 | 46.2 | 49.3 | 51.4 | 54 | 65.2 | 79.8 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 38.8 | 4564 | 3820 | 1990 | 588 |
| 1850 | 2217 | Pont-6000 A | . | . | . | . | . | . | . | . | . | 51.1 | 65.3 | 69.5 | 70.5 | 69.8 | 69.1 | 76 | 82.6 | 75.3 | 81 | . | . | . | . | . | . | . | . | . | . | 29.9 | 5029 | 2396 | 1939 | 554 |
| Highlghted numbers were not included in the analysis because of questionable accuracy. | ||||||||||||||||||||||||||||||||||||
| 1839 | 2102 | Olds-Delta 88 | . | . | . | . | 56.5 | 55.8 | 55.2 | 60.5 | 56.8 | 54.4 | 64 | 63.2 | 67.1 | 85.5 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 29 | 6441 | 3314 | 1852 | 633 |
| 3718 | 3732 | Honda Accord | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 100 | 100 | 100 | 100 | . | . | . | . | . | . | . | . | 0 | 212 | 6940 | 1848 | 1471 |
| 1808 | 2008 | Chev-Nova | 8.1 | 12.6 | 17.9 | 20.5 | 24 | 27.3 | 24.5 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 16.4 | 3682 | 1374 | 1810 | 512 |
| 1228 | 1416 | Merc-Grand Marquis | . | . | . | . | . | . | 52.5 | 58 | 83.6 | 85.2 | 78.6 | 89.5 | 91.2 | 93.2 | 95.4 | 98.3 | 98.3 | 98.7 | 98 | 99.3 | 99.3 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 47.5 | 3777 | 8711 | 1805 | 711 |
| 615 | 708 | Dodge Omni 4 Dr. | . | . | . | . | . | 60.8 | 100 | 100 | 41.2 | 42.8 | 46.3 | 50.2 | 58.1 | 76.6 | 100 | 100 | 100 | 62.5 | . | . | . | . | . | . | . | . | . | . | . | 35.4 | 3239 | 1438 | 1745 | 499 |
| 1235 | 1417 | Merc-Sable | . | . | . | . | . | . | . | . | . | . | . | . | . | 94.2 | 95.8 | 98.3 | 98.6 | 99 | 99.7 | 99.6 | 100 | 100 | 100 | . | . | . | . | . | . | 5.8 | 1557 | 3262 | 1744 | 562 |
| 1852 | 1802 | Buic-LeSabre | . | . | . | . | . | . | . | . | . | . | . | . | . | 71.3 | 74.2 | 71.1 | 84.3 | 88.4 | 90 | 91 | 99.5 | 99.4 | 99 | 100 | 100 | 100 | 100 | . | . | 28.7 | 1165 | 3728 | 1743 | 545 |
| 1234 | 1415 | Merc-Topaz | . | . | . | . | . | . | . | . | . | . | 66 | 74.1 | 76.3 | 87.6 | 89 | 96.5 | 96.8 | 96.2 | 99.2 | 99.1 | 100 | 100 | . | . | . | . | . | . | . | 34 | 2150 | 2273 | 1734 | 453 |
| 4920 | 4940 | Toyota Camry | . | . | . | . | . | . | . | . | . | . | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | . | . | . | . | . | . | . | . | . | . | 0 | 744 | 7420 | 1730 | 1542 |
| 620 | 917 | Plym-Sundance | . | . | . | . | . | . | . | . | . | . | . | . | . | 85.2 | 84.6 | 90.4 | 88.9 | 89.6 | 80.3 | 84.3 | 87.1 | 90.9 | . | . | . | . | . | . | . | 5.7 | 1313 | 1794 | 1701 | 454 |
| 620 | 717 | Dodge Shadow | . | . | . | . | . | . | . | . | . | . | . | . | . | 85.1 | 84 | 91.8 | 87.7 | 88.6 | 61.8 | 80.2 | 82.9 | 91.2 | . | . | . | . | . | . | . | 6.1 | 1503 | 2452 | 1701 | 762 |
| 3524 | 3543 | Nissan Sentra | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | . | . | . | . | . | . | . | 0 | 377 | 9313 | 1658 | 1879 |
| 3006 | 3040 | Volkswagon Jetta | . | . | . | . | . | . | . | . | . | . | . | . | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | . | . | 0 | 565 | 2687 | 1656 | 867 |
| 1842 | 1903 | Cadi-DeVille/Brougham | . | . | . | . | 64 | 65.4 | 70.5 | 100 | 71.8 | 70.6 | 68.9 | 69.7 | 78.2 | 78.6 | 81.7 | 85.5 | 85.9 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | . | . | . | . | . | 36 | 4620 | 6441 | 1630 | 723 |
| 1856 | 2019 | Chev-Beretta | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 58.8 | 63.2 | 70.6 | 76.3 | 78.5 | 79.2 | 77.5 | 92.9 | 85.5 | 93.7 | . | . | . | . | . | 34.9 | 1200 | 2291 | 1616 | 514 |
| 1233 | 1204 | Ford Thunderbird | . | . | . | . | . | . | . | . | . | . | 80.5 | 65.1 | 81.4 | 90.2 | 91.2 | 95.5 | . | . | . | . | . | . | . | . | . | . | . | . | . | 15 | 2812 | 4516 | 1604 | 731 |
| 1233 | 1404 | Merc-Cougar | . | . | . | . | . | . | . | . | . | . | 67 | 83.2 | 93.5 | 96.7 | 95.6 | 96.6 | . | . | . | . | . | . | . | . | . | . | . | . | . | 29.6 | 2479 | 3261 | 1527 | 522 |
| 1847 | 1815 | Buic-Skylark X | . | . | . | . | . | . | . | 50.9 | 56.6 | 56.5 | 56.7 | 68.3 | 60.4 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 9.5 | 3399 | 1221 | 1496 | 332 |
| 1852 | 1903 | Cadi-DeVille | . | . | . | . | . | . | . | . | . | . | . | 75.6 | 73.9 | 76.9 | 79.8 | 80.9 | 85.3 | 86.1 | 100 | 100 | 100 | . | . | . | . | . | . | . | . | 24.4 | 2038 | 6624 | 1476 | 681 |
| 4919 | 4932 | Toyota Corolla | . | . | . | . | . | . | . | . | . | . | . | 100 | 100 | 100 | 0 | 100 | 100 | 100 | 100 | 100 | . | . | . | . | . | . | . | . | . | 0 | 886 | 8800 | 1471 | 1501 |
| 615 | 908 | Plym-Horizon 4 Dr. | . | . | . | . | . | 60.9 | 100 | 100 | 44.4 | 46.2 | 52.2 | 52.1 | 58.6 | 78.1 | 100 | 100 | 100 | 67.3 | . | . | . | . | . | . | . | . | . | . | . | 33.7 | 3752 | 1214 | 1430 | 522 |
| 1862 | 2401 | Saturn SL Z | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 0 | 33 | 5002 | 1427 | 703 |
| 1866 | 2016 | Chev-Cavalier J | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 77.4 | 75.5 | 80.1 | 78.9 | 85.3 | 91.8 | 100 | 22.6 | . | 2880 | 1396 | 628 |
| 1854 | 1818 | Buic-Skylark N | . | . | . | . | . | . | . | . | . | . | . | . | 59.9 | 59.3 | 66.5 | 63.6 | 77.1 | 78.8 | 73.2 | 91.8 | 85.6 | 98 | 98 | 100 | 100 | 100 | . | . | . | 40.1 | 1225 | 2771 | 1394 | 390 |
| 1854 | 2118 | Olds-Calais N | . | . | . | . | . | . | . | . | . | . | . | . | 58.7 | 57.4 | 68.9 | 66.3 | 62.9 | 78.6 | 74.9 | . | . | . | . | . | . | . | . | . | . | 16.2 | 2024 | 2231 | 1392 | 574 |
| 1852 | 2102 | Olds-Delta 88 | . | . | . | . | . | . | . | . | . | . | . | . | . | 73.3 | 76 | 81.3 | 77.9 | 98.3 | 84.7 | 97.8 | 99.6 | 100 | 100 | 100 | 100 | 100 | 100 | . | . | 26.7 | 1639 | 2824 | 1390 | 490 |
| 1859 | 2220 | Pont-Grand Prix W | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 77 | 70 | 83.3 | 86.6 | 88.6 | 84.4 | 94.5 | 95.5 | 95.6 | . | . | . | . | . | 18.6 | 913 | 2474 | 1385 | 381 |
| 3723 | 3731 | Honda Civic | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 0 | . | 7899 | 1379 | 1157 |
| 1809 | 2009 | Chev-Camaro | 17.7 | 22.5 | 24.1 | 30.7 | 33 | 34.9 | 45 | 51.3 | 47.6 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 29.9 | 4011 | 2133 | 1379 | 503 |
| 1839 | 1802 | Buic-LeSabre | . | . | . | . | 50 | 45.3 | 50 | 57.1 | 57.1 | 54.4 | 56.6 | 68.5 | 67.4 | 84.3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 34.3 | 3623 | 2408 | 1373 | 390 |
| 1225 | 1211 | Ford Granada | . | . | 19.3 | 23 | 25.2 | 31.3 | 37.5 | 38.4 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 19.1 | 3348 | 1208 | 1336 | 431 |
| 1230 | 1301 | Linc-Town Car/Lincoln | . | . | . | . | . | . | . | 71.8 | 72.4 | 77.6 | 79.8 | 86.1 | 89.7 | 100 | 100 | 100 | 98.6 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 28.2 | 1813 | 7941 | 1321 | 828 |
| 3726 | 3732 | Honda Accord | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 0 | . | 6554 | 1294 | 881 |
| 4928 | 4940 | Toyota Camry | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 100 | 100 | 100 | 100 | 100 | . | . | . | . | . | 0 | 5 | 6203 | 1254 | 1006 |
| 1212 | 1206 | Ford LTD | 14 | 18.6 | 24.4 | 26.7 | 26.4 | 34.4 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 20.4 | 4513 | 1307 | 1243 | 310 |
| 613 | 906 | Plym-Volare | . | . | . | 30.6 | 33 | 30.2 | 39.6 | 40.2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 9.6 | 3173 | 1272 | 1206 | 357 |
| 1826 | 2002 | Chev-Caprice/Impala | 15.2 | 21.2 | 23.2 | 23.7 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 8.5 | 3503 | 1097 | 1187 | 258 |
| 1833 | 2001 | Chev-Chevelle | 9.9 | 16.7 | 18.2 | 19.6 | 20 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 10.1 | 2625 | 777 | 1186 | 263 |
| 3715 | 3731 | Honda Civic | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 100 | 100 | 100 | 100 | . | . | . | . | . | . | . | . | . | . | 0 | 424 | 3527 | 1170 | 783 |
| 622 | 919 | Plym-Acclaim | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 99.6 | 99.4 | 99.6 | 99.8 | 99.9 | 100 | 100 | . | . | . | . | . | . | 0.4 | 253 | 1333 | 1154 | 282 |
| 1845 | 2210 | Pont-Grand Prix G | . | . | . | . | . | 36.3 | 36.1 | 40.2 | 41.3 | 43.1 | 45.8 | 48.6 | 53.8 | 57.4 | 68 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 31.7 | 3465 | 2386 | 1141 | 417 |
| 1833 | 2101 | Olds-Cutlass G | 19.7 | 25.5 | 28.6 | 37.4 | 35.6 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 15.9 | 5471 | 1185 | 1128 | 287 |
| 1859 | 2120 | Olds-Supreme W | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 84.6 | 72.2 | 93.9 | 85.4 | 89.1 | 94 | 100 | 100 | 100 | 100 | . | . | . | . | 15.4 | 491 | 1948 | 1126 | 354 |
| 1848 | 1816 | Buic-Skyhawk J | . | . | . | . | . | . | . | . | . | 55.6 | 61 | 72 | 67.9 | 68.2 | 67.7 | 82.2 | 85.4 | . | . | . | . | . | . | . | . | . | . | . | . | 29.8 | 2243 | 1137 | 1069 | 311 |
| 1852 | 1803 | Buic-Electra/Park Ave. C | . | . | . | . | . | . | . | . | . | . | . | 81.4 | 81.7 | 78.7 | 86.7 | 90.4 | 99.7 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | . | . | . | . | . | 18.6 | 1681 | 2342 | 1038 | 314 |
| 109 | 107 | AMC Concord/Hornet | 5.5 | 16 | 17.6 | 19.4 | 24.9 | 30.7 | 46.6 | 49 | 46.3 | 44.9 | 49 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 43.5 | 1526 | 808 | 1030 | 172 |
| 4806 | 4831 | Subaru Loyale | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | . | . | . | . | . | . | . | 0 | 190 | 826 | 1028 | 395 |
| 1835 | 2010 | Chev-Monte Carlo G | 20.8 | 20.8 | 21 | 22.3 | 26 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 5.2 | 3144 | 859 | 1025 | 224 |
| 1839 | 2202 | Pont-Parisienne | . | . | . | . | . | . | . | . | . | . | 56 | 55.5 | 62.7 | 69.2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 13.2 | 4128 | 1845 | 1016 | 308 |
| 1839 | 2202 | Pont-Bonneville | . | . | . | . | 35.2 | 38.5 | 41.3 | 44.8 | 43 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 7.8 | 4128 | 1845 | 1016 | 308 |
| 1217 | 1209 | Ford Pinto | 4.8 | 9.5 | 8.5 | 22.8 | 23.3 | 76.8 | 81.6 | 63.7 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 58.9 | 2729 | 652 | 957 | 265 |
| 618 | 616.1 | Chry-LeBaron | . | . | . | . | . | . | . | . | . | 51.2 | 60.8 | 61.9 | 71.9 | 71.2 | 95.2 | 96.7 | . | . | . | . | . | . | . | . | . | . | . | . | . | 45.5 | 1871 | 1656 | 949 | 352 |
| 3707 | 3732 | Honda Accord | . | . | . | . | . | . | . | . | . | 100 | 100 | 100 | 100 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 0 | 1746 | 3601 | 941 | 825 |
| 614 | 706 | Dodge Aspen | . | . | . | 30.8 | 33.5 | 31.5 | 41.6 | 38.6 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 7.8 | 1954 | 1339 | 927 | 253 |
| 1240 | 1217 | Ford Taurus | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 100 | 100 | 100 | 100 | 100 | 100 | 0 | . | 2328 | 926 | 327 |
| 3532 | 3547 | Nissan Altima | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 0 | . | 4827 | 922 | 541 |
| 620 | 715 | Dodge Daytona | . | . | . | . | . | . | . | . | . | . | . | 73.9 | 77.5 | 91.4 | 100 | 100 | 100 | 100 | 55.5 | 98.4 | 99.5 | . | . | . | . | . | . | . | . | 25.6 | 1595 | 1378 | 886 | 387 |
| 1221 | 1204 | Ford Thunderbird | . | . | . | . | 36.1 | 37 | 39.4 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 3.3 | 2949 | 1265 | 837 | 299 |
| 622 | 719 | Dodge Spirit | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 99.5 | 99.1 | 99.4 | 99.8 | 100 | 100 | 100 | . | . | . | . | . | . | 0.5 | 183 | 1347 | 804 | 292 |
| 5104 | 5134 | Volvo 240 | . | . | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | . | . | . | . | . | . | . | . | 0 | 405 | 3070 | 804 | 847 |
| 5205 | 5532 | Hyundia Excel | . | . | . | . | . | . | . | . | . | . | . | . | . | 100 | 100 | 100 | 100 | . | . | . | . | . | . | . | . | . | . | . | . | 0 | 68 | 3896 | 800 | 736 |
| 3525 | 3539 | Nissan Maxima | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 100 | 100 | 100 | 100 | 100 | 100 | . | . | . | . | . | . | . | 0 | 55 | 2466 | 790 | 384 |
| 4809 | 4834 | Subaru Legacy | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 100 | 100 | 100 | 100 | 100 | . | . | . | . | . | . | . | 0 | 27 | 490 | 773 | 264 |
| 4115 | 1218 | Ford Probe | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 95 | 95.6 | 97.7 | 99.4 | 100 | . | . | . | . | . | . | . | . | . | 5 | 742 | 1527 | 772 | 353 |
| 1852 | 2103 | Olds-98 C | . | . | . | . | . | . | . | . | . | . | . | 75.2 | 77.7 | 79.8 | 83 | 86.7 | 83 | 99.3 | 100 | 100 | 100 | 100 | 100 | 100 | . | . | . | . | . | 24.8 | 1812 | 1978 | 770 | 339 |
| 618 | 616.2 | Chry-LeBaron - J | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 91.6 | 100 | 100 | 98.7 | 100 | 100 | 100 | 100 | 100 | . | . | . | . | . | . | 8.4 | 748 | 1953 | 749 | 291 |
| 621 | 718 | Dodge Dynasty | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 100 | 100 | 100 | 100 | 100 | 100 | . | . | . | . | . | . | . | . | 0 | 401 | 1233 | 740 | 225 |
| 1836 | 2012 | Chev-Monza 2 + 2 | . | . | 14.9 | 19.3 | 18 | 21 | 30.7 | 36.2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 21.3 | 2577 | 447 | 739 | 187 |
| 111 | 109 | AMC Eagle | . | . | . | . | . | . | . | 68.2 | 63.9 | 74 | 91 | 92.1 | 93 | 95 | 95 | 100 | . | . | . | . | . | . | . | . | . | . | . | . | . | 31.8 | 531 | 69 | 726 | 38 |
| 1847 | 2115 | Olds-Omega X | . | . | . | . | . | . | . | 52.8 | 54.1 | 57.7 | 59.3 | 67 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 14.2 | 1503 | 392 | 716 | 157 |
| 4804 | 4831 | Subaru Sedan | . | . | . | . | . | . | . | 93.8 | 96.5 | 96.5 | 98 | 99.8 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 5.95 | 913 | 741 | 698 | 343 |
| 3803 | 2031 | Chev-Spectrum | . | . | . | . | . | . | . | . | . | . | . | . | 76.2 | 83.6 | 100 | 70.6 | 53.5 | . | . | . | . | . | . | . | . | . | . | . | . | 23.8 | 602 | 1755 | 690 | 505 |
| 627 | 920 | Plym-Neon | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 98.5 | 83.8 | 84.6 | 99.7 | 99.9 | . | . | 1.4 | . | 1018 | 689 | 203 |
| 627 | 720 | Dodge Neon | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 98.5 | 83.7 | 83.5 | 99.8 | 99.9 | . | . | 1.4 | . | 1561 | 688 | 339 |
| 1226 | 1412 | Merc-Zephyr | . | . | . | . | . | 36.7 | 38.8 | 41.9 | 41.7 | 56.2 | 44.6 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 7.9 | 1643 | 705 | 688 | 143 |
| 1809 | 2209 | Pont-Firebird F | 19.5 | 24.7 | 31.3 | 37.7 | 40.7 | 42.1 | 49.7 | 51.8 | 51.1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 31.6 | 2953 | 1432 | 679 | 258 |
| 1844 | 1801 | Buic-Century RWD | . | . | . | . | . | 40.7 | 54.5 | 51 | 51.2 | 51 | 51.5 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 11 | 1576 | 896 | 675 | 187 |
| 625 | 741 | Dodge Intrepid | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 0 | . | 1304 | 662 | 227 |
| 1237 | 1204 | Ford Thunderbird | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 100 | 99.7 | 99.2 | 99.8 | 100 | 100 | 100 | 100 | 100 | . | . | . | . | 0 | 349 | 2810 | 662 | 369 |
| 3006 | 3042 | Volkswagon Golf | . | . | . | . | . | . | . | . | . | . | . | . | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | . | . | 0 | 480 | 1094 | 649 | 345 |
| 4925 | 4938 | Toyota Tercel | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 25.3 | 59.6 | 100 | 90 | 90.3 | 34.2 | 55.8 | 55.9 | 56 | 66 | 64 | . | . | . | 38.7 | 215 | 5197 | 643 | 766 |
| 1226 | 1406 | Merc-Marquis | . | . | . | . | . | . | . | . | . | . | 62.5 | 89.4 | 91 | 89.4 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 26.9 | 872 | 1325 | 640 | 221 |
| 3518 | 3543 | Nissan Sentra | . | . | . | . | . | . | . | . | . | 100 | 100 | 100 | 100 | 100 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 0 | 898 | 2725 | 640 | 907 |
| 614 | 607 | Chry-LeBaron | . | . | . | . | 41.9 | 49 | 51.4 | 53.7 | 51.5 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 9.6 | 1449 | 633 | 623 | 179 |
| 1237 | 1404 | Merc-Cougar | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 98.8 | 99.4 | 99.6 | 99.7 | 98.8 | 99 | 99 | 100 | 100 | . | . | . | . | 1.2 | 319 | 1788 | 623 | 179 |
| 611 | 609 | Chry-Cordoba | . | . | 40.2 | 41.3 | 41.8 | 43.9 | 50.3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 10.1 | 1720 | 527 | 609 | 128 |
| 619 | 614 | Chry-New Yorker T | . | . | . | . | . | . | . | . | . | . | 70.6 | 82.1 | 89.8 | 91.4 | 93.4 | 100 | . | . | . | . | . | . | . | . | . | . | . | . | . | 29.4 | 1565 | 1282 | 578 | 227 |
| 3004 | 3036 | Volkswagon Rabbit | . | . | 79.2 | 100 | 100 | 97 | 100 | 100 | 100 | 100 | 100 | 100 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 20.8 | 2797 | 1168 | 574 | 455 |
| 601 | 701 | Dodge Dart | 11 | 21.7 | 23.3 | 22.3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 11.3 | 952 | 504 | 572 | 163 |
| 614 | 707 | Dodge Diplomat | . | . | . | . | 35.3 | 42.3 | 49.6 | 47.1 | 59.3 | 57 | 58.8 | 65.7 | 79.3 | 82.4 | 86.3 | 84 | 100 | . | . | . | . | . | . | . | . | . | . | . | . | 64.7 | 1509 | 1894 | 571 | 610 |
| 1239 | 1235 | Ford Contour | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 100 | 99.9 | 100 | 97.7 | 95 | 100 | . | 0 | . | 1379 | 549 | 212 |
| 3522 | 3539 | Nissan Maxima | . | . | . | . | . | . | . | . | . | . | . | . | 100 | 100 | 100 | 100 | . | . | . | . | . | . | . | . | . | . | . | . | . | 0 | 183 | 2258 | 533 | 492 |
| 1848 | 2116 | Olds-Firenza J | . | . | . | . | . | . | . | . | . | 54.4 | 60.3 | 59.5 | 61.9 | 63 | 59.8 | 58.9 | . | . | . | . | . | . | . | . | . | . | . | . | . | 4.5 | 830 | 593 | 532 | 188 |
| 1845 | 2101 | Olds-Supreme | . | . | . | . | . | 36.2 | 39.6 | 41.4 | 44.9 | 45.9 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 9.7 | 5029 | 2284 | 530 | 496 |
| 4812 | 4834 | Subaru Legacy | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 100 | 100 | 100 | 100 | 100 | . | . | 0 | . | 102 | 520 | 120 |
| 4930 | 2032 | Chev-Nova/Prizm S | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 76.8 | 76.1 | 74.4 | 72.6 | 73 | 77 | 86.4 | 89.5 | 87.1 | 10.3 | . | 1410 | 513 | 264 |
| 1221 | 1404 | Merc-Cougar | . | 37.8 | 40.1 | 34.3 | 32.8 | 39 | 43.4 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 12.9 | 1920 | 736 | 513 | 193 |
| 602 | 901 | Plym-Valiant | . | 18.2 | 21.5 | 22.1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 3.9 | 423 | 196 | 512 | 73 |
| 108 | 108 | AMC Gremlin/Spirit | . | 8.5 | 12.2 | 10.8 | 13.7 | 17.7 | 41.2 | 43.5 | 46.6 | 48.6 | 56.5 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 48 | 1336 | 369 | 508 | 68 |
| 4924 | 4933 | Toyota Celica | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 100 | 91.2 | 100 | 100 | 100 | 100 | 100 | . | . | . | . | . | . | . | . | 0 | 217 | 2611 | 508 | 441 |
| 1211 | 1208 | Ford Maverick | 5.8 | 12.1 | 11.6 | 12.6 | 12.3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 6.5 | 1390 | 509 | 505 | 151 |
| Additional Make-Models Included Only In Michigan's Model | ||||||||||||||||||||||||||||||||||||
| Make-Models That Had At Least 750 Involvements In Michigan | ||||||||||||||||||||||||||||||||||||
| Percentage of Rear Window Defoggers For Model Years 1973-1986 | ||||||||||||||||||||||||||||||||||||
| CG | MM2 | NAME | 1973 | 1974 | 1975 | 1976 | 1977 | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | PRTCH | MI | FL | PA | MD |
| 1833 | 1801 | Buic-Century RWD | 24.1 | 29.4 | 31.6 | 33.6 | 34.1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 10 | 2564 | 696 | 350 | 130 |
| 1836 | 2212 | Pont-Sunbird/Fire | . | . | . | 14.4 | 18.3 | 26.5 | 33.2 | 32.2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 17.8 | 2007 | 483 | 446 | 158 |
| 616 | 908 | Plym-Turismo 2 Dr. | . | . | . | . | . | . | . | 100 | 49 | 47.5 | 59.1 | 56.5 | 57.7 | 74.3 | 100 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 51 | 1974 | 570 | 439 | 256 |
| 616 | 708 | Dodge Charger 2 Dr. | . | . | . | . | . | . | . | 100 | 43 | 44.7 | 52.8 | 53.1 | 53.6 | 72 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 29 | 1938 | 600 | 449 | 200 |
| 1213 | 1406 | Merc-Marquis | 25.4 | 32.7 | 38.9 | 41.4 | 47 | 48.4 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 23 | 1889 | 503 | 259 | 118 |
| 1841 | 1803 | Buic-Electra/Park Ave. C | . | . | . | . | 0 | 61 | 65.5 | 71.2 | 75.1 | 72.5 | 74.2 | 75.6 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 14.6 | 1690 | 953 | 483 | 175 |
| 1823 | 2102 | Olds-Oldsmobile | 32.4 | 40.3 | 47.2 | 50.9 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 18.5 | 1675 | 314 | 233 | 46 |
| 1835 | 2210 | Pont-Grand Prix | 20 | 24.4 | 32 | 29.1 | 34.5 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 14.5 | 1628 | 403 | 412 | 109 |
| 1824 | 2202 | Pont-Pontiac | 10.9 | 16.4 | 21.7 | 27.2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 16.3 | 1598 | 302 | 233 | 86 |
| 1847 | 2215 | Pont-Phoenix | . | . | . | . | . | . | . | 51.1 | 50.9 | 54.3 | 61.5 | 64 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 12.9 | 1534 | 339 | 460 | 120 |
| 1221 | 1210 | Ford Torino | 5.9 | 16.7 | 11.8 | 16 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 10.1 | 1521 | 394 | 348 | 119 |
| 1227 | 1403 | Mercury Capri | . | . | . | . | . | . | 45.6 | 43.2 | 47.5 | 68.1 | 76.4 | 90.9 | 100 | 100 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 54.4 | 1480 | 564 | 433 | 161 |
| 1846 | 1805 | Buic-Riviera | . | . | . | . | . | . | 75.4 | 77.8 | 77.2 | 72.8 | 75.5 | 80.4 | 85.2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 9.8 | 1472 | 581 | 490 | 102 |
| 1853 | 2205 | Pont-Fiero | . | . | . | . | . | . | . | . | . | . | . | 42 | 40.4 | 38 | 35.9 | 26.7 | . | . | . | . | . | . | . | . | . | . | . | . | . | -15.3 | 1454 | 1061 | 400 | 218 |
| 1216 | 1301 | Linc-Town Car/Lincoln | 51.4 | 61.4 | 64.9 | 66.2 | 69.7 | 71.4 | 78.4 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 27 | 1401 | 689 | 68 | 143 |
| 1844 | 2201 | Pont-LeMans/Tempest | . | . | . | . | . | 35.5 | 38.6 | 42.4 | 43.8 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 8.3 | 1340 | 625 | 473 | 163 |
| 1833 | 2201 | Pont-LeMans/Tempest | 9.7 | 15.8 | 20.2 | 25.3 | 28.9 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 19.2 | 1317 | 310 | 326 | 69 |
| 1225 | 1411 | Merc-Monarch | . | . | 28.2 | 34.2 | 34.7 | 38.6 | 41 | 42.8 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 14.6 | 1221 | 438 | 367 | 93 |
| 605 | 903 | Plym-Fury | . | . | 15.1 | 19.6 | 28.8 | 38 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 22.9 | 1210 | 242 | 293 | 69 |
| 1846 | 2105 | Olds-Toronado | . | . | . | . | . | . | 83.6 | 83.9 | 82.4 | 79.5 | 83.7 | 94.7 | 86.8 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 3.2 | 1158 | 350 | 297 | 75 |
| 1823 | 1802 | Buic-Buick | 29.9 | 37.6 | 43.2 | 45.2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 15.3 | 1133 | 268 | 256 | 60 |
| 607 | 904 | Plym-Gran Fury | . | . | 14.8 | 19 | 28.1 | . | . | 61.8 | 62.3 | 61.6 | 63.1 | 65.8 | 74.2 | 79 | 82.5 | 87.4 | 92.2 | . | . | . | . | . | . | . | . | . | . | . | . | 43.7 | 1099 | 442 | 359 | 225 |
| 1846 | 1905 | Cadi-Eldorado | . | . | . | . | . | . | 85.1 | 84.4 | 81.8 | 78.2 | 75.4 | 72.3 | 78.3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | -6.8 | 1066 | 1161 | 465 | 189 |
| 1221 | 1205 | Ford LTD II | . | . | . | . | 24.4 | 29.5 | 33.7 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 9.3 | 1062 | 370 | 136 | 131 |
| 6002 | 1232 | Ford Fiesta | . | . | . | . | 11 | 15.2 | 25 | 52.6 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 41.6 | 1016 | . | . | 56 |
| 1223 | 1302 | Linc-Mark IV | 57.9 | 65.1 | 67.8 | 67.9 | 66.8 | 72 | 74.9 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 17 | 992 | 550 | 159 | 125 |
| 1830 | 1903 | Cadi-DeVille/Brougham | 38.1 | 45 | 50.8 | 58.1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 20 | 936 | 471 | 327 | 82 |
| 1838 | 2213 | Pontiac T1000 | . | . | . | . | . | . | . | . | 25.6 | 42.3 | 48 | 50.6 | 52.5 | 60.1 | 36.7 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 34.5 | 925 | 334 | 260 | 123 |
| 614 | 610 | Chry-5th Ave/Newport | . | . | . | . | . | . | . | . | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | . | . | . | . | . | . | . | . | . | . | . | . | 0 | 918 | 1686 | 331 | 222 |
| 1832 | 2011 | Chev-Vega | 5.7 | 11.6 | 11.4 | 12.3 | 12 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 6.3 | 792 | 106 | 384 | 55 |
| 1229 | 1204 | Ford Thunderbird | . | . | . | . | . | . | . | 40.7 | 47.1 | 66.2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 25.5 | 784 | 424 | 370 | 67 |
| 3706 | 3731 | Honda Civic | . | . | . | . | . | . | . | 70.6 | 79.6 | 100 | 90 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 19.4 | 760 | . | . | 172 |
| 1807 | 2004 | Chev-Corvette | 14.5 | 25 | 35.8 | 53.6 | 62 | 80 | 83.3 | 90.2 | 90.9 | 93.1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 78.6 | 751 | 525 | 183 | 87 |
| Highlghted numbers were not included in the analysis because of questionable accuracy. | ||||||||||||||||||||||||||||||||||||
| Make-Models That Had At Least 500 Involvements In Pennsylvania | ||||||||||||||||||||||||||||||||||||
| But Excluded From The Analysis Because Of Fluctuating Percentages | ||||||||||||||||||||||||||||||||||||
| CG | MM2 | NAME | 1973 | 1974 | 1975 | 1976 | 1977 | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | PRTCH | MI | FL | PA | MD |
| 1849 | 2009 | Chev-Camaro F | . | . | . | . | . | . | . | . | . | 61.8 | 63.6 | 65.8 | 66.3 | 68.9 | 62.5 | 55 | 53.8 | 23.4 | 56.7 | 62.3 | 78.4 | 69.7 | 63.6 | 65.4 | 64 | 78.8 | 73.9 | 73.2 | 89.1 | 27.3 | 2969 | 8463 | 2049 | 1197 |
| 4919 | 2032 | Chev-Nova/Prizm S | . | . | . | . | . | . | . | . | . | . | . | . | 75.9 | 76.7 | 100 | 100 | 90.2 | 100 | 99.1 | 89.7 | . | . | . | . | . | . | . | . | . | 13.8 | 1271 | 2175 | 1395 | 984 |
| 1849 | 2209 | Pont-Firebird F | . | . | . | . | . | . | . | . | . | 61.3 | 64.5 | 61.1 | 61.3 | 65.6 | 66.8 | 72.4 | 69.5 | 66.4 | 60.5 | 63.3 | 87 | 72.1 | 76.7 | 79.2 | 83 | 83 | 89.7 | 93 | 100 | 38.7 | 2225 | 4338 | 1308 | 574 |
| 1852 | 2202 | Pont-Bonneville | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 70.7 | 83 | 83.2 | 52.6 | 68.6 | 72.5 | 72.1 | 78.1 | 82.9 | 100 | 100 | 100 | 100 | . | . | 29.3 | 1212 | 2188 | 1217 | 331 |
| 1226 | 1206 | Ford LTD/Galaxie | . | . | . | . | . | . | . | . | . | . | 65.5 | 57 | 72.8 | 77.5 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 12 | 1538 | 2728 | 1175 | 498 |
| 1859 | 1820 | Buic-Regal W | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 72.5 | 80.5 | 99.6 | 94.7 | 90 | 94.9 | 99.2 | 99.5 | 100 | . | . | . | . | . | 27.5 | 635 | 2567 | 1106 | 307 |
| 1231 | 1413 | Merc-Lynx | . | . | . | . | . | . | . | . | 45 | 44.6 | 43.4 | 39.1 | 37.8 | 57.4 | 62.9 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 17.9 | 2764 | 697 | 1035 | 331 |
| 4930 | 4932 | Toyota Corolla | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 100 | 62.3 | 62.5 | 78 | 75 | 74.7 | 79 | 87 | 46.8 | -53.2 | . | 8822 | 1017 | 1049 |
| 1224 | 1203 | Ford Mustang | . | 14.9 | 16.2 | 27 | 18.8 | 24.1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 9.2 | 1823 | 449 | 643 | 153 |
Index | Table of contents | Technical Report | Executive Summary | Background | Rear Window Defrogger and Wiper Information | State Crash Data | Analysis Databases | Analysis Method | Hypotheses | Conclusions | Appendix A