Year	per person
1800	1.506
1820	1.506
1945	6.045
1946	6.166
1947	6.296
1948	5.793
1949	5.812
1950	5.483
1951	5.298
1952	5.439
1953	5.636
1954	5.702
1955	5.881
1956	6.032
1957	6.495
1958	6.413
1959	6.643
1960	6.842
1961	7.365
1962	7.756
1963	8.246
1964	8.356
1965	8.829
1966	9.212
1967	9.695
1968	10.1
1969	10.58
1970	10.91
1971	11.48
1972	11.76
1973	12.16
1974	12.11
1975	12.01
1976	11.92
1977	11.74
1978	12.66
1979	12.93
1980	14.57
1981	14.86
1982	15.37
1983	15.17
1984	14.8
1985	15.18
1986	15.36
1987	15.43
1988	12.77
1989	12.47
1990	12.79
1991	13.68
1992	14.51
1993	15
1994	15.18
1995	15.18
1996	15.24
1997	15.6
1998	15.91
1999	16.13
2000	16.24
2001	16.05
2002	16.13
2003	16.56
2004	17.51
2005	18.42
2006	19.65
2007	21.64
2008	23.54
2009	23.68