Year	per person
1700	2.55
1720	2.601
1739	2.651
1740	2.653
1750	2.68
1760	2.707
1770	2.734
1780	2.761
1790	2.789
1791	2.792
1792	2.794
1793	2.797
1794	2.8
1795	2.803
1796	2.805
1797	2.808
1798	2.811
1799	2.814
1800	2.817
1801	2.819
1802	2.822
1803	2.825
1804	2.828
1805	2.831
1806	2.834
1807	2.836
1808	2.839
1809	2.842
1810	2.845
1811	2.848
1812	2.851
1813	2.853
1814	2.856
1815	2.859
1816	2.862
1817	2.865
1818	2.868
1819	2.87
1820	2.873
1821	2.873
1822	2.873
1823	2.874
1824	2.874
1825	2.874
1826	2.874
1827	2.874
1828	2.874
1829	2.874
1830	2.874
1831	2.874
1832	2.874
1833	2.874
1834	2.874
1835	2.874
1836	2.874
1837	2.874
1838	2.874
1839	2.874
1840	2.874
1841	2.874
1842	2.875
1843	2.875
1844	2.875
1845	2.875
1846	2.875
1847	2.875
1848	2.875
1849	2.875
1850	2.875
1851	3.086
1852	3.027
1853	2.97
1854	2.914
1855	2.86
1856	2.841
1857	2.822
1858	2.804
1859	2.785
1860	2.767
1861	2.749
1862	2.755
1863	2.762
1864	2.769
1865	2.775
1866	2.863
1867	2.929
1868	2.943
1869	3.002
1870	3.035
1871	2.904
1872	2.971
1873	3.076
1874	3.009
1875	2.987
1876	2.9
1877	3.017
1878	3.001
1879	2.986
1880	2.949
1881	3.021
1882	3.089
1883	3.138
1884	3.218
1885	3.274
1886	3.425
1887	3.468
1888	3.479
1889	3.388
1890	3.511
1891	3.423
1892	3.384
1893	3.427
1894	3.359
1895	3.479
1896	3.502
1897	3.679
1898	3.781
1899	3.888
1900	4.054
1901	3.952
1902	3.941
1903	3.963
1904	3.982
1905	3.838
1906	3.831
1907	3.889
1908	3.796
1909	3.761
1910	3.823
1911	3.865
1912	3.912
1913	3.893
1914	3.915
1915	3.822
1916	3.841
1917	3.775
1918	3.579
1919	3.652
1920	3.827
1921	4.016
1922	4.451
1923	4.587
1924	4.362
1925	4.502
1926	4.418
1927	5.129
1928	4.577
1929	5.012
1930	4.89
1931	5.078
1932	5.113
1933	5.392
1934	5.554
1935	5.195
1936	4.741
1937	5.471
1938	5.44
1939	5.445
1940	5.028
1941	5.439
1942	5.318
1943	5.624
1944	5.892
1945	5.615
1946	6.002
1947	6.446
1948	6.37
1949	6.402
1950	6.495
1951	6.748
1952	6.729
1953	7.154
1954	7.451
1955	7.704
1956	7.982
1957	8.278
1958	8.319
1959	8.698
1960	9.202
1961	9.711
1962	10.37
1963	10.91
1964	11.58
1965	12.43
1966	12.96
1967	13.95
1968	15.17
1969	15.52
1970	17.04
1971	18.28
1972	19.79
1973	21.99
1974	21.94
1975	20.29
1976	21.21
1977	22.31
1978	22.85
1979	24.08
1980	25.04
1981	25.26
1982	25.78
1983	25.7
1984	25.18
1985	25.86
1986	26.9
1987	28.59
1988	30.72
1989	32.29
1990	33.7
1991	35.19
1992	35.54
1993	34.68
1994	34.8
1995	36.16
1996	37.34
1997	38.69
1998	40.28
1999	41.58
2000	43
2001	43.65
2002	43.8
2003	43.26
2004	43.73
2005	43.87
2006	44.3
2007	45.01
2008	44.95
2009	43.64