2002 Almanac (page 471) Table D-1 Great Basin Valleys Air Basin: Population and VMT Trends Great Basin Valleys Air Basin Surface Area = 13880 square miles Parameter 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Population 28800 29800 29700 28900 28800 28600 28600 29000 29300 30380 30550 30710 31210 31690 31440 31780 31960 32060 32240 32570 Avg. Daily VMT/1000 706 703 702 758 776 864 859 911 935 934 918 878 894 893 892 894 882 884 912 937