Year	per person
1965	97.62
1966	110.6
1967	124.1
1968	138.9
1969	155.5
1970	175.8
1971	197.3
1972	223
1973	244.6
1974	274.2
1975	302.6
1976	339.4
1977	375.1
1978	428.6
1979	468.2
1980	468.8
1981	503.5
1982	551.1
1983	598.4
1984	656.7
1985	694.7
1986	710.3
1987	766.7
1988	788
1989	832.4
1990	886.1
1991	942.6
1992	1016
1993	941.4
1994	954.6
1995	950.7
1996	978.7
1997	954.8
1998	977.1
1999	966.8
2000	966.1
2001	1002
2002	1036
2003	1100
2004	1100
2005	1111
2006	1147
2007	1130
2008	1154