Year per person 1960 165 1961 187 1962 217.3 1963 243.3 1964 269.1 1965 304.5 1966 336.7 1967 365.6 1968 409 1969 458.9 1970 510.6 1971 562.5 1972 629.9 1973 780.9 1974 853.3 1975 947.2 1976 1037 1977 1125 1978 1219 1979 1290 1980 1332 1981 1366 1982 1391 1983 1441 1984 1486 1985 1573 1986 1620 1987 1712 1988 1726 1989 1783 1990 1847 1991 1989 1992 2016 1993 2092 1994 2110 1995 2177 1996 2282 1997 2249 1998 2290 1999 2295 2000 2313 2001 2371 2002 2514 2003 2520 2004 2565 2005 2510 2006 2190 2007 2103 2008 1921