Year Per Capita 1970 553.6 1971 560.9 1972 558.6 1973 537.7 1974 537.3 1975 539.9 1976 584.7 1977 647.4 1978 644.5 1979 674.6 1980 638.2 1981 660.9 1982 698.6 1983 731.2 1984 776.4 1985 798.7 1986 808.6 1987 818.1 1988 822.8 1989 855 1990 906.7 1991 949.5 1992 1018 1993 1061 1994 1105 1995 1191 1996 1288 1997 1371 1998 1426 1999 1466 2000 1539 2001 1614 2002 1683 2003 1771 2004 1912 2005 2088 2006 2240 2007 2307 2008 2430 2009 2549 2010 2779