Year	Total
1800	4.7
1801	4.7
1802	4.7
1803	4.7
1804	4.7
1805	4.7
1806	4.7
1807	4.7
1808	4.7
1809	4.7
1810	4.7
1811	4.7
1812	4.7
1813	4.7
1814	4.7
1815	4.7
1816	4.7
1817	4.7
1818	4.7
1819	4.7
1820	4.7
1821	4.7
1822	4.7
1823	4.7
1824	4.7
1825	4.7
1826	4.7
1827	4.7
1828	4.7
1829	4.7
1830	4.7
1831	4.7
1832	4.7
1833	4.7
1834	4.7
1835	4.7
1836	4.7
1837	4.7
1838	4.7
1839	4.7
1840	4.7
1841	4.7
1842	4.7
1843	4.7
1844	4.7
1845	4.7
1846	4.7
1847	4.7
1848	4.7
1849	4.7
1850	4.7
1851	4.7
1852	4.7
1853	4.7
1854	4.7
1855	4.7
1856	4.7
1857	4.7
1858	4.7
1859	4.7
1860	4.7
1861	4.7
1862	4.7
1863	4.7
1864	4.7
1865	4.7
1866	4.7
1867	4.7
1868	4.7
1869	4.7
1870	4.7
1871	4.7
1872	4.7
1873	4.7
1874	4.7
1875	4.7
1876	4.7
1877	4.7
1878	4.7
1879	4.7
1880	4.7
1881	4.7
1882	4.7
1883	4.7
1884	4.7
1885	4.7
1886	4.7
1887	4.7
1888	4.7
1889	4.7
1890	4.7
1891	4.7
1892	4.7
1893	4.7
1894	4.7
1895	4.7
1896	4.7
1897	4.7
1898	4.7
1899	4.7
1900	4.7
1901	4.658
1902	4.616
1903	4.574
1904	4.532
1905	4.49
1906	4.448
1907	4.406
1908	4.364
1909	4.322
1910	4.28
1911	4.238
1912	4.196
1913	4.154
1914	4.154
1915	4.422
1916	4.422
1917	4.69
1918	4.69
1919	4.288
1920	4.154
1921	4.288
1922	4.69
1923	4.489
1924	4.757
1925	4.73
1926	4.703
1927	4.703
1928	4.663
1929	4.784
1930	5.025
1931	4.69
1932	4.69
1933	4.73
1934	5.186
1935	4.918
1936	4.971
1937	5.038
1938	5.033
1939	5.027
1940	5.021
1941	5.015
1942	5.009
1943	5.004
1944	4.998
1945	4.992
1946	4.986
1947	4.98
1948	4.975
1949	4.969
1950	4.963
1951	5.083
1952	5.313
1953	5.519
1954	5.703
1955	5.864
1956	6.002
1957	6.118
1958	6.213
1959	6.289
1960	6.348
1961	6.392
1962	6.425
1963	6.448
1964	6.464
1965	6.475
1966	6.485
1967	6.493
1968	6.494
1969	6.487
1970	6.465
1971	6.421
1972	6.35
1973	6.251
1974	6.125
1975	5.973
1976	5.8
1977	5.614
1978	5.423
1979	5.232
1980	5.046
1981	4.865
1982	4.691
1983	4.521
1984	4.359
1985	4.205
1986	4.063
1987	3.931
1988	3.806
1989	3.684
1990	3.558
1991	3.416
1992	3.255
1993	3.074
1994	2.878
1995	2.676
1996	2.482
1997	2.309
1998	2.166
1999	2.057
2000	1.983
2001	1.94
2002	1.918
2003	1.907
2004	1.902
2005	1.897
2006	1.889
2007	1.877
2008	1.862
2009	1.843
2010	1.82
2011	1.794
2012	1.768
2013	1.743
2014	1.722
2015	1.703
2016	1.687
2017	1.673
2018	1.66
2019	1.649
2020	1.638
2021	1.629
2022	1.621
2023	1.615
2024	1.611
2030	1.611
2040	1.647
2050	1.692
2070	1.77
2080	1.799
2099	1.836