Year Per Capita 1954 2635 1955 2656 1956 2968 1957 3074 1958 3320 1959 3403 1960 3623 1961 3725 1962 3652 1963 3666 1964 3778 1965 3997 1966 4438 1967 4743 1968 5209 1969 5757 1970 6220 1971 5703 1972 5193 1973 4699 1974 4675 1975 5575 1976 6489 1977 6928 1978 7654 1979 8144 1980 8530 1981 8873 1982 9145 1983 8724 1984 8639 1985 8739 1986 9050 1987 9370 1988 10340 1989 10990 1990 11490 1991 12180 1992 12430 1993 12640 1994 13240 1995 13970 1996 14150 1997 15980 1998 17690 1999 19030 2000 20640 2001 20020 2002 20740 2003 20210 2004 19790 2005 19920 2006 20330 2007 21500 2008 22440 2009 22580 2010 23370 2011 23990