2003 Almanac (page 493) Table D-1 Great Basin Valleys Air Basin: Population and VMT Trends Great Basin Valleys Air Basin Surface Area = 13880 square miles Parameter 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 Population 28800 28700 28000 27900 27700 27700 28100 28400 29390 29670 29880 30480 31020 30870 31210 31440 31590 31820 32250 32540 Avg. Daily VMT/1000 709 704 750 763 858 855 908 933 935 918 880 898 900 899 901 891 885 910 937 964