Year	per person
1960	165.4
1961	178.1
1962	199.1
1963	224.9
1964	265
1965	257.6
1966	282.1
1967	310.4
1968	343.1
1969	379.3
1970	417
1971	457.2
1972	514.5
1973	578.5
1974	629.5
1975	723.5
1976	814.2
1977	894.2
1978	1010
1979	1086
1980	1143
1981	1188
1982	1240
1983	1371
1984	1453
1985	1555
1986	1618
1987	1677
1988	1635
1989	1658
1990	1708
1991	1872
1992	1910
1993	1934
1994	1921
1995	1872
1996	2064
1997	2032
1998	2092
1999	2148
2000	2168
2001	2245
2002	2220
2003	2353
2004	2435
2005	2384
2006	2417
2007	2387
2008	2540
