Table 1-22,,,,,,,, Median Age of Automobiles and Trucks ,,,,,,,, in Operation in the U.S.,,,,,,,, ,,,,,,,, ,Automobiles,Trucks,,,,,, 1970,4.9,5.9,,,,,, 1975,5.4,5.8,,,,,, 1980,6.0,6.3,,,,,, 1985,6.9,7.6,,,,,, 1990,6.5,6.5,,,,,, 1991,6.7,6.8,,,,,, 1992,7.0,7.2,,,,,, 1993,7.3,7.5,,,,,, 1994,7.5,7.5,,,,,, 1995,7.7,7.6,,,,,, 1996,7.9,7.7,,,,,, 1997,8.1,7.8,,,,,,,,, 1998,8.3,7.6,,,,,,,,, 1999,8.3,7.2,,,,,,,,, ,,,,,,,,,,, NOTE: The National Personal Transportation Survey ,,,,,,,,,,, "conducted by the U.S. Department of Transportation,",,,,,,,,,,, "Federal Highway Administration, estimates the mean age of ",,,,,,,,,,, "automobiles, trucks, and vans for several years:",,,,,,,,,,, ,,,,,,,,,,, ,1969,1977,1983,1990,1995,,,,,, ,,,,,,,,,,, Automobiles,5.1,5.5,6.7,7.6,8.2,,,,,, Trucks,N,6.4,7.9,9.0,8.3, (inc. vans),,,,, ,,,,,,,,,,, KEY: N = data do not exist.,,,,,,,,,,, ,,,,,,,,,,, "SOURCE: The R.L. Polk Co., personal communication, Mar. 28, 2000.",,,,,,