| Year | Vehicles per person 16 or older | Licenses per person 16 or older |
|---|---|---|
| 1977 | 0.76 | 0.81 |
| 1983 | 0.82 | 0.84 |
| 1990 | 0.9 | 0.89 |
| 1995 | 0.89 | 0.89 |
SOURCE: U.S. Department of Transportation, Federal Highway Administration, Summary of Travel Trends: 1995 Nationwide Personal Transportation Survey (Washington, DC: 2000).