2002 Almanac (page 483) Table D-39 Sacramento Valley Air Basin: Population and VMT Trends Sacramento Valley Air Basin Surface Area = 15043 square miles Parameter 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Population 1572400 1617200 1652100 1682400 1725200 1770500 1827600 1887700 1945600 2024300 2088600 2124900 2152200 2168600 2186950 2209450 2242050 2280050 2327450 2367050 Avg. Daily VMT/1000 29136 30138 32933 34486 37592 40134 43408 46467 49082 48490 49309 49803 51004 51495 52163 52847 52743 54180 55702 56752