Year	per person
1960	476
1961	489.4
1962	518.5
1963	528.7
1964	615
1965	739.5
1966	837
1967	950
1968	1089
1969	1093
1970	1415
1971	1631
1972	1828
1973	1935
1974	1877
1975	2116
1976	2443
1977	2597
1978	2724
1979	2916
1980	3095
1981	3272
1982	3507
1983	3786
1984	4041
1985	4754
1986	4761
1987	4829
1988	4560
1989	4457
1990	4430
1991	4753
1992	4613
1993	4772
1994	4815
1995	4775
1996	4873
1997	4786
1998	4774
1999	4509
2000	4710
2001	4719
2002	4633
2003	4683
2004	4605
2005	4740
2006	4602
2007	4390
2008	4305
