Year Per Capita 1951 2796 1952 2711 1953 2991 1954 3044 1955 3239 1956 3498 1957 3721 1958 3882 1959 3984 1960 4010 1961 4528 1962 4463 1963 5013 1964 5387 1965 5942 1966 6386 1967 6672 1968 7095 1969 7893 1970 8588 1971 9210 1972 10090 1973 10860 1974 9987 1975 10390 1976 10970 1977 11170 1978 11820 1979 11990 1980 11880 1981 11850 1982 11530 1983 11430 1984 11620 1985 11960 1986 12420 1987 12300 1988 13200 1989 13830 1990 14100 1991 14920 1992 15180 1993 15210 1994 15870 1995 16540 1996 16920 1997 18090 1998 18840 1999 19430 2000 20260 2001 21310 2002 22560 2003 22980 2004 24090 2005 23660 2006 25130 2007 26030 2008 26890 2009 26510 2010 25660 2011 23700