Year	per person
1800	1.911
1820	1.911
1875	4.135
1876	4.095
1877	4.39
1878	4.034
1879	4.086
1880	3.881
1881	3.823
1882	4.695
1883	5.118
1884	5.321
1885	6.075
1886	5.911
1887	6.129
1888	6.922
1889	7.379
1890	6.541
1891	5.988
1892	6.966
1893	7.163
1894	8.037
1895	8.661
1896	9.312
1897	7.275
1898	7.672
1899	8.797
1900	7.499
1901	7.921
1902	7.536
1903	8.401
1904	9.059
1905	10.01
1906	10.04
1907	9.79
1908	10.29
1909	10.33
1910	10.6
1911	10.36
1912	10.8
1913	10.48
1914	8.974
1915	8.662
1916	8.263
1917	7.451
1918	8.688
1919	8.857
1920	9.349
1921	9.303
1922	9.764
1923	10.54
1924	11.04
1925	10.66
1926	10.88
1927	11.36
1928	11.75
1929	11.97
1930	11.14
1931	10.16
1932	9.635
1933	9.908
1934	10.5
1935	10.77
1936	10.69
1937	11.29
1938	11.15
1939	11.4
1940	11.41
1941	11.83
1942	11.77
1943	11.51
1944	12.63
1945	12.02
1946	12.82
1947	13.95
1948	14.39
1949	13.87
1950	13.71
1951	13.95
1952	12.96
1953	13.39
1954	13.69
1955	14.4
1956	14.54
1957	15.04
1958	15.7
1959	14.42
1960	15.32
1961	16.16
1962	15.64
1963	15.03
1964	16.34
1965	17.59
1966	17.45
1967	17.66
1968	18.17
1969	19.45
1970	20.2
1971	20.63
1972	20.71
1973	21.13
1974	21.91
1975	21.42
1976	21.08
1977	22.1
1978	21.06
1979	22.2
1980	22.21
1981	20.66
1982	19.73
1983	20.26
1984	20.4
1985	18.7
1986	19.8
1987	20.04
1988	19.4
1989	17.78
1990	17.21
1991	18.81
1992	20.41
1993	21.36
1994	22.38
1995	21.51
1996	22.47
1997	24.05
1998	24.72
1999	23.62
2000	23.18
2001	21.91
2002	19.29
2003	20.79
2004	22.44
2005	24.26
2006	26.06
2007	28.04
2008	29.64
2009	29.6