Year	Total
1800	4.41
1801	4.359
1802	4.308
1803	4.257
1804	4.206
1805	4.155
1806	4.104
1807	4.053
1808	4.002
1809	3.951
1810	3.9
1811	3.894
1812	3.888
1813	3.882
1814	3.876
1815	3.87
1816	3.864
1817	3.858
1818	3.852
1819	3.846
1820	3.84
1821	3.828
1822	3.816
1823	3.804
1824	3.792
1825	3.78
1826	3.768
1827	3.756
1828	3.744
1829	3.732
1830	3.72
1831	3.704
1832	3.687
1833	3.671
1834	3.654
1835	3.638
1836	3.621
1837	3.604
1838	3.588
1839	3.571
1840	3.555
1841	3.548
1842	3.541
1843	3.534
1844	3.527
1845	3.52
1846	3.513
1847	3.506
1848	3.499
1849	3.492
1850	3.485
1851	3.45
1852	3.415
1853	3.38
1854	3.31
1855	3.24
1856	3.4
1857	3.36
1858	3.46
1859	3.61
1860	3.4
1861	3.51
1862	3.46
1863	3.53
1864	3.51
1865	3.53
1866	3.53
1867	3.55
1868	3.49
1869	3.49
1870	3.44
1871	3.08
1872	3.59
1873	3.51
1874	3.53
1875	3.51
1876	3.57
1877	3.49
1878	3.44
1879	3.44
1880	3.36
1881	3.4
1882	3.4
1883	3.38
1884	3.38
1885	3.32
1886	3.26
1887	3.22
1888	3.16
1889	3.12
1890	2.95
1891	3.03
1892	2.96
1893	3.02
1894	2.94
1895	2.86
1896	2.98
1897	2.92
1898	2.87
1899	2.88
1900	2.8
1901	2.903
1902	2.853
1903	2.784
1904	2.748
1905	2.706
1906	2.7
1907	2.575
1908	2.636
1909	2.557
1910	2.571
1911	2.462
1912	2.485
1913	2.468
1914	2.335
1915	1.519
1916	1.23
1917	1.342
1918	1.559
1919	1.591
1920	2.695
1921	2.601
1922	2.423
1923	2.407
1924	2.356
1925	2.388
1926	2.368
1927	2.289
1928	2.305
1929	2.241
1930	2.295
1931	2.247
1932	2.226
1933	2.111
1934	2.141
1935	2.07
1936	2.092
1937	2.099
1938	2.128
1939	2.166
1940	2.002
1941	1.853
1942	2.042
1943	2.186
1944	2.249
1945	2.31
1946	2.998
1947	3.037
1948	3.019
1949	3.004
1950	2.834
1951	2.806
1952	2.756
1953	2.719
1954	2.695
1955	2.684
1956	2.685
1957	2.697
1958	2.718
1959	2.744
1960	2.771
1961	2.795
1962	2.81
1963	2.812
1964	2.8
1965	2.772
1966	2.73
1967	2.679
1968	2.621
1969	2.557
1970	2.488
1971	2.412
1972	2.327
1973	2.237
1974	2.144
1975	2.055
1976	1.977
1977	1.915
1978	1.871
1979	1.845
1980	1.834
1981	1.836
1982	1.842
1983	1.846
1984	1.847
1985	1.841
1986	1.827
1987	1.81
1988	1.791
1989	1.771
1990	1.752
1991	1.736
1992	1.724
1993	1.717
1994	1.717
1995	1.723
1996	1.735
1997	1.751
1998	1.772
1999	1.795
2000	1.819
2001	1.844
2002	1.869
2003	1.893
2004	1.916
2005	1.936
2006	1.952
2007	1.964
2008	1.973
2009	1.978
2010	1.981
2011	1.981
2012	1.981
2013	1.98
2014	1.979
2015	1.979
2016	1.979
2017	1.98
2018	1.981
2019	1.981
2020	1.982
2021	1.983
2022	1.983
2023	1.984
2024	1.984
2030	1.986
2040	1.989
2050	1.99
2070	1.99
2080	1.992
2099	1.993