Year	Total
1800	7.8
1801	7.803
1802	7.806
1803	7.809
1804	7.813
1805	7.816
1806	7.819
1807	7.822
1808	7.825
1809	7.828
1810	7.832
1811	7.835
1812	7.838
1813	7.841
1814	7.844
1815	7.847
1816	7.851
1817	7.854
1818	7.857
1819	7.86
1820	7.863
1821	7.866
1822	7.869
1823	7.873
1824	7.876
1825	7.879
1826	7.882
1827	7.885
1828	7.888
1829	7.892
1830	7.895
1831	7.898
1832	7.901
1833	7.904
1834	7.907
1835	7.911
1836	7.914
1837	7.917
1838	7.92
1839	7.923
1840	7.926
1841	7.929
1842	7.933
1843	7.936
1844	7.939
1845	7.942
1846	7.945
1847	7.948
1848	7.952
1849	7.955
1850	7.958
1851	7.961
1852	7.964
1853	7.967
1854	7.971
1855	7.974
1856	7.977
1857	7.98
1858	7.983
1859	7.986
1860	7.989
1861	7.993
1862	7.996
1863	7.999
1864	8.002
1865	8.005
1866	8.008
1867	8.012
1868	8.015
1869	8.018
1870	8.021
1871	8.024
1872	8.027
1873	8.031
1874	8.034
1875	8.037
1876	8.04
1877	8.043
1878	8.046
1879	8.049
1880	8.053
1881	8.056
1882	8.059
1883	8.062
1884	8.065
1885	8.068
1886	8.072
1887	8.075
1888	8.078
1889	8.081
1890	8.084
1891	8.087
1892	8.091
1893	8.094
1894	8.097
1895	8.1
1896	8.09
1897	8.08
1898	8.07
1899	8.06
1900	8.05
1901	8.04
1902	8.03
1903	8.02
1904	8.01
1905	8
1906	7.99
1907	7.98
1908	7.97
1909	7.96
1910	7.95
1911	7.94
1912	7.93
1913	7.92
1914	7.91
1915	7.9
1916	7.89
1917	7.88
1918	7.87
1919	7.86
1920	7.85
1921	7.84
1922	7.83
1923	7.82
1924	7.81
1925	7.8
1926	7.648
1927	7.496
1928	7.344
1929	7.192
1930	7.04
1931	6.888
1932	6.736
1933	6.584
1934	6.432
1935	6.281
1936	6.129
1937	5.977
1938	5.825
1939	5.673
1940	5.521
1941	4.556
1942	3.337
1943	1.822
1944	1.742
1945	2.385
1946	3.578
1947	4.1
1948	3.631
1949	4.047
1950	4.525
1951	4.512
1952	4.492
1953	4.481
1954	4.481
1955	4.49
1956	4.506
1957	4.527
1958	4.548
1959	4.559
1960	4.55
1961	4.512
1962	4.435
1963	4.317
1964	4.161
1965	3.979
1966	3.788
1967	3.606
1968	3.447
1969	3.314
1970	3.208
1971	3.118
1972	3.032
1973	2.942
1974	2.846
1975	2.745
1976	2.646
1977	2.555
1978	2.479
1979	2.421
1980	2.385
1981	2.373
1982	2.381
1983	2.406
1984	2.441
1985	2.481
1986	2.519
1987	2.549
1988	2.566
1989	2.565
1990	2.538
1991	2.482
1992	2.399
1993	2.295
1994	2.176
1995	1.8
1996	1.8
1997	1.7
1998	1.5
1999	1.4
2000	1.3
2001	1.2
2002	1.2
2003	1.4
2004	1.4
2005	1.4
2006	1.3
2007	1.4
2008	1.4
2009	1.6
2010	1.55
2011	1.5
2012	1.739
2013	1.74
2014	1.74
2015	1.741
2016	1.742
2017	1.743
2018	1.744
2019	1.745
2020	1.746
2021	1.748
2022	1.749
2023	1.75
2024	1.751
2030	1.758
2040	1.775
2050	1.791
2070	1.824
2080	1.839
2099	1.861