Year	Total
1800	6.8
1801	6.8
1802	6.8
1803	6.8
1804	6.8
1805	6.8
1806	6.8
1807	6.801
1808	6.801
1809	6.801
1810	6.801
1811	6.801
1812	6.801
1813	6.801
1814	6.801
1815	6.801
1816	6.801
1817	6.801
1818	6.801
1819	6.802
1820	6.802
1821	6.802
1822	6.802
1823	6.802
1824	6.802
1825	6.802
1826	6.802
1827	6.802
1828	6.802
1829	6.802
1830	6.802
1831	6.802
1832	6.803
1833	6.803
1834	6.803
1835	6.803
1836	6.803
1837	6.803
1838	6.803
1839	6.803
1840	6.803
1841	6.803
1842	6.803
1843	6.803
1844	6.804
1845	6.804
1846	6.804
1847	6.804
1848	6.804
1849	6.804
1850	6.804
1851	6.804
1852	6.804
1853	6.804
1854	6.804
1855	6.804
1856	6.804
1857	6.805
1858	6.805
1859	6.805
1860	6.805
1861	6.805
1862	6.805
1863	6.805
1864	6.805
1865	6.805
1866	6.805
1867	6.805
1868	6.805
1869	6.806
1870	6.806
1871	6.806
1872	6.806
1873	6.806
1874	6.806
1875	6.806
1876	6.806
1877	6.806
1878	6.806
1879	6.806
1880	6.806
1881	6.806
1882	6.807
1883	6.807
1884	6.807
1885	6.807
1886	6.807
1887	6.807
1888	6.807
1889	6.807
1890	6.807
1891	6.807
1892	6.807
1893	6.807
1894	6.808
1895	6.808
1896	6.808
1897	6.808
1898	6.808
1899	6.808
1900	6.808
1901	6.808
1902	6.808
1903	6.808
1904	6.808
1905	6.808
1906	6.808
1907	6.809
1908	6.809
1909	6.809
1910	6.809
1911	6.809
1912	6.809
1913	6.809
1914	6.809
1915	6.809
1916	6.809
1917	6.809
1918	6.809
1919	6.81
1920	6.81
1921	6.81
1922	6.81
1923	6.81
1924	6.81
1925	6.81
1926	6.81
1927	6.811
1928	6.811
1929	6.812
1930	6.812
1931	6.812
1932	6.813
1933	6.813
1934	6.814
1935	6.814
1936	6.814
1937	6.815
1938	6.815
1939	6.816
1940	6.816
1941	6.816
1942	6.817
1943	6.817
1944	6.818
1945	6.818
1946	6.818
1947	6.819
1948	6.819
1949	6.82
1950	6.82
1951	6.811
1952	6.798
1953	6.792
1954	6.794
1955	6.804
1956	6.821
1957	6.845
1958	6.875
1959	6.912
1960	6.953
1961	6.998
1962	7.045
1963	7.092
1964	7.138
1965	7.179
1966	7.216
1967	7.247
1968	7.272
1969	7.293
1970	7.311
1971	7.329
1972	7.348
1973	7.37
1974	7.395
1975	7.419
1976	7.439
1977	7.452
1978	7.457
1979	7.455
1980	7.45
1981	7.449
1982	7.454
1983	7.469
1984	7.492
1985	7.52
1986	7.546
1987	7.565
1988	7.572
1989	7.564
1990	7.542
1991	7.508
1992	7.465
1993	7.418
1994	7.368
1995	7.318
1996	7.267
1997	7.217
1998	7.165
1999	7.112
2000	7.057
2001	7
2002	6.939
2003	6.873
2004	6.803
2005	6.729
2006	6.65
2007	6.567
2008	6.481
2009	6.393
2010	6.304
2011	6.214
2012	6.123
2013	6.033
2014	5.943
2015	5.854
2016	5.766
2017	5.679
2018	5.592
2019	5.507
2020	5.423
2021	5.339
2022	5.257
2023	5.175
2024	5.094
2030	4.635
2040	3.969
2050	3.451
2070	2.749
2080	2.511
2099	2.183