Year	per person
1960	161
1961	164.1
1962	193.7
1963	218.7
1964	238.1
1965	267.4
1966	297.6
1967	325.5
1968	379.4
1969	441.5
1970	580.6
1971	799.3
1972	930.6
1973	1076
1974	1095
1975	1174
1976	1370
1977	1436
1978	1554
1979	1627
1980	1686
1981	1756
1982	1862
1983	1946
1984	2132
1985	2486
1986	2548
1987	2796
1988	2695
1989	2720
1990	2928
1991	3120
1992	3146
1993	3221
1994	3340
1995	3185
1996	3367
1997	3394
1998	3525
1999	3578
2000	3510
2001	3741
2002	3841
2003	3921
2004	3906
2005	3940
2006	4042
2007	4103
2008	4037