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Average Age of Automobiles and Trucks in Use, 1970-1999
| Year | Automobiles | Trucks |
|---|---|---|
| 1970 | 5.6 | 7.3 |
| 1971 | 5.7 | 7.4 |
| 1972 | 5.7 | 7.2 |
| 1973 | 5.7 | 6.9 |
| 1974 | 5.7 | 7.0 |
| 1975 | 6.0 | 6.9 |
| 1976 | 6.2 | 7.0 |
| 1977 | 6.2 | 6.9 |
| 1978 | 6.3 | 6.9 |
| 1979 | 6.4 | 6.9 |
| 1980 | 6.6 | 7.1 |
| 1981 | 6.9 | 7.5 |
| 1982 | 7.2 | 7.8 |
| 1983 | 7.4 | 8.1 |
| 1984 | 7.5 | 8.2 |
| 1985 | 7.6 | 8.1 |
| 1986 | 7.6 | 8.0 |
| 1987 | 7.6 | 8.0 |
| 1988 | 7.6 | 7.9 |
| 1989 | 7.6 | 7.9 |
| 1990 | 7.6 | 8.0 |
| 1991 | 7.8 | 8.1 |
| 1992 | 7.9 | 8.4 |
| 1993 | 8.1 | 8.6 |
| 1994 | 8.3 | 8.4 |
| 1995 | 8.4 | 8.4 |
| 1996 | 8.5 | 8.3 |
| 1997 | 8.6 | 8.3 |
| 1998 | 8.8 | 8.3 |
| 1999 | 8.9 | 8.2 |
| 2000 | 9.0 | 8.0 |
Note: Mean age is equal to the sum of the products of units multiplied by age; divided by the total units. Source: Ward's Communications, Ward's Motor Vehicle Facts and Figures 2001. (compiled from The Polk Company data).
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