Year Per Capita 1950 2596 1951 2618 1952 2851 1953 3125 1954 3243 1955 3360 1956 3794 1957 4014 1958 3522 1959 3679 1960 3321 1961 3590 1962 4079 1963 4190 1964 3648 1965 4424 1966 4658 1967 5149 1968 5381 1969 5946 1970 5959 1971 6498 1972 6754 1973 6817 1974 5433 1975 4639 1976 5688 1977 7006 1978 7746 1979 8442 1980 8950 1981 9005 1982 9388 1983 9741 1984 10440 1985 10640 1986 10700 1987 11450 1988 12560 1989 13390 1990 13920 1991 13660 1992 14500 1993 13860 1994 14430 1995 15550 1996 15450 1997 15420 1998 15940 1999 16390 2000 17070 2001 17430 2002 17570 2003 17500 2004 17990 2005 18240 2006 18620 2007 19330 2008 19720 2009 18880 2010 18750