Year	per person
1800	2.465
1820	2.465
1929	9.098
1930	8.358
1931	6.891
1932	5.427
1933	5.761
1934	6.64
1935	7.613
1936	8.734
1937	9.879
1938	7.538
1939	7.834
1940	6.707
1941	8.876
1942	7.334
1943	8.003
1944	9.053
1945	9.86
1946	10.51
1947	11.77
1948	10.23
1949	10.87
1950	11.36
1951	12.08
1952	12.25
1953	10.55
1954	10.86
1955	11.13
1956	11.91
1957	13.36
1958	13.12
1959	11.48
1960	11.39
1961	11.38
1962	11.36
1963	11.28
1964	11.16
1965	11.04
1966	11.39
1967	12.48
1968	11.55
1969	11.22
1970	10.65
1971	11.31
1972	11.63
1973	12.46
1974	12.9
1975	13.35
1976	13.54
1977	13.99
1978	14.71
1979	14.96
1980	14.68
1981	15.81
1982	16.05
1983	16.35
1984	16.77
1985	16.91
1986	16.78
1987	16.52
1988	16.67
1989	16.56
1990	16.37
1991	14.34
1992	12.27
1993	10.24
1994	10.39
1995	10.69
1996	11.57
1997	11.91
1998	12.02
1999	12.77
2000	13.41
2001	13.75
2002	13.9
2003	14.25
2004	15.08
2005	16.24
2006	18.19
2007	19.51
2008	20.35