Year	per person
1960	156.1
1961	157.8
1962	174.6
1963	185.2
1964	198.4
1965	250.4
1966	287.6
1967	340.3
1968	387.1
1969	468.2
1970	495.4
1971	537.5
1972	565.6
1973	622.2
1974	704.3
1975	794.1
1976	887.2
1977	982.3
1978	1088
1979	1182
1980	1276
1981	1396
1982	1436
1983	1449
1984	1516
1985	1580
1986	1637
1987	1677
1988	1664
1989	1674
1990	1502
1991	1553
1992	1567
1993	1623
1994	1608
1995	1614
1996	1591
1997	1506
1998	1545
1999	1524
2000	1493
2001	1491
2002	1482
2003	1500
2004	1567
2005	1554
2006	1575
2007	1560
2008	1566