Year	per person
1960	67.74
1961	73.53
1962	79.61
1963	78.55
1964	78.17
1965	83.92
1966	91.76
1967	100.3
1968	108.6
1969	117.5
1970	127.4
1971	138.2
1972	151.5
1973	164.5
1974	182.2
1975	204.5
1976	230.9
1977	246.2
1978	262.8
1979	281.2
1980	301.3
1981	338.8
1982	348.6
1983	326.6
1984	383.4
1985	401
1986	417.3
1987	452.3
1988	470.9
1989	495.1
1990	530.4
1991	528.3
1992	493.9
1993	473.4
1994	472.4
1995	468.3
1996	497.7
1997	511.6
1998	525.4
1999	538
2000	544.3
2001	553.3
2002	560.8
2003	643.9
2004	660.5
2005	655.1
2006	686.9
2007	684.7
2008	704.4