Year	per person
1960	168.7
1961	189.8
1962	217.8
1963	260.1
1964	282.2
1965	315.8
1966	350.7
1967	385.8
1968	432.2
1969	485.7
1970	744.3
1971	828.8
1972	920.4
1973	995.2
1974	1059
1975	1131
1976	1224
1977	1288
1978	1391
1979	1431
1980	1469
1981	1488
1982	1511
1983	1559
1984	1635
1985	1707
1986	1730
1987	1800
1988	1746
1989	1733
1990	1727
1991	1528
1992	1524
1993	1554
1994	1530
1995	1558
1996	1638
1997	1595
1998	1591
1999	1600
2000	1588
2001	1629
2002	1658
2003	1688
2004	1704
2005	1714
2006	1717
2007	1701
2008	1694