Year	per person
1800	2.543
1820	2.878
1830	3.182
1840	3.698
1850	4.231
1860	4.616
1870	5.393
1871	5.584
1872	5.427
1873	5.862
1874	5.899
1875	5.677
1876	5.222
1877	5.497
1878	5.21
1879	5.618
1880	5.779
1881	6.491
1882	6.712
1883	6.652
1884	7.1
1885	6.597
1886	6.604
1887	6.746
1888	7.157
1889	7.126
1890	7.569
1891	7.666
1892	7.545
1893	7.427
1894	7.703
1895	7.545
1896	7.283
1897	7.993
1898	8.222
1899	8.897
1900	9.265
1901	9.855
1902	10.6
1903	10.61
1904	10.44
1905	11.34
1906	12.24
1907	12.33
1908	11.37
1909	12.25
1910	12.94
1911	13.41
1912	13.93
1913	14.15
1914	12.81
1915	13.47
1916	14.79
1917	15.28
1918	14.13
1919	12.79
1920	12.29
1921	10.68
1922	12.07
1923	12.65
1924	12.66
1925	13.81
1926	14.31
1927	15.43
1928	16.46
1929	16.12
1930	15.31
1931	12.74
1932	11.68
1933	10.73
1934	11.75
1935	12.57
1936	13.12
1937	14.24
1938	14.47
1939	15.17
1940	17.08
1941	19.26
1942	22.38
1943	23.11
1944	23.69
1945	22.7
1946	22.06
1947	22.56
1948	22.48
1949	22.48
1950	23.2
1951	23.97
1952	24.93
1953	25.41
1954	24.5
1955	26.1
1956	27.53
1957	27.39
1958	27.16
1959	27.61
1960	27.85
1961	28.11
1962	29.52
1963	30.44
1964	31.82
1965	33.33
1966	34.84
1967	35.26
1968	36.53
1969	37.91
1970	38.35
1971	39.98
1972	41.6
1973	44.04
1974	45.21
1975	45.56
1976	47.43
1977	48.44
1978	49.9
1979	51.46
1980	51.48
1981	52.42
1982	50.22
1983	51.16
1984	53.58
1985	55.95
1986	56.84
1987	58.39
1988	60.44
1989	60.81
1990	60.06
1991	58.1
1992	57.77
1993	58.31
1994	60.4
1995	61.34
1996	61.57
1997	63.5
1998	65.43
1999	68.32
2000	71.16
2001	71.43
2002	73.09
2003	73.76
2004	75.32
2005	76.93
2006	78.32
2007	79.44
2008	78.84
2009	75.81