Year	per person
1800	3.015
1820	3.116
1913	9.226
1970	78.36
1971	78.05
1972	77.95
1973	77.94
1974	77.99
1975	78.06
1976	101.5
1977	104.7
1978	101.4
1979	100.4
1980	90.96
1981	93.89
1982	91
1983	90.15
1984	92.64
1985	97.77
1986	100.3
1987	108.1
1988	112.7
1989	116.3
1990	117.3
1991	117.9
1992	120.5
1993	124.1
1994	130.9
1995	136.9
1996	144.5
1997	153
1998	162.9
1999	177.8
2000	181.5
2001	178.2
2002	174.5
2003	169.4
2004	172.8
2005	179.4
2006	193.2
2007	197.9
2008	199.8