Year Per Capita 1970 7331 1971 7472 1972 7967 1973 7937 1974 7330 1975 8785 1976 10010 1977 10640 1978 11140 1979 10610 1980 9904 1981 10880 1982 10550 1983 9840 1984 9708 1985 11150 1986 10930 1987 10050 1988 10900 1989 10730 1990 8130 1991 8855 1992 8591 1993 6573 1994 6723 1995 6737 1996 7795 1997 8855 1998 9337 1999 6958 2000 6629 2001 6689 2002 7362 2003 7999 2004 8361 2005 9659 2006 9862 2007 10630 2008 10920 2009 10690 2010 10640