Year	Total
1800	6.875
1801	6.875
1802	6.875
1803	6.875
1804	6.875
1805	6.875
1806	6.875
1807	6.875
1808	6.875
1809	6.875
1810	6.875
1811	6.875
1812	6.875
1813	6.875
1814	6.875
1815	6.875
1816	6.875
1817	6.875
1818	6.875
1819	6.875
1820	6.875
1821	6.875
1822	6.875
1823	6.875
1824	6.875
1825	6.875
1826	6.875
1827	6.875
1828	6.875
1829	6.875
1830	6.875
1831	6.875
1832	6.875
1833	6.875
1834	6.875
1835	6.875
1836	6.875
1837	6.875
1838	6.875
1839	6.875
1840	6.875
1841	6.875
1842	6.875
1843	6.875
1844	6.875
1845	6.875
1846	6.875
1847	6.875
1848	6.875
1849	6.875
1850	6.875
1851	6.875
1852	6.875
1853	6.875
1854	6.875
1855	6.875
1856	6.875
1857	6.875
1858	6.875
1859	6.875
1860	6.875
1861	6.875
1862	6.875
1863	6.875
1864	6.875
1865	6.875
1866	6.875
1867	6.875
1868	6.875
1869	6.875
1870	6.875
1871	6.875
1872	6.875
1873	6.875
1874	6.875
1875	6.875
1876	6.875
1877	6.875
1878	6.875
1879	6.875
1880	6.875
1881	6.875
1882	6.875
1883	6.875
1884	6.875
1885	6.875
1886	6.875
1887	6.875
1888	6.875
1889	6.875
1890	6.875
1891	6.875
1892	6.875
1893	6.875
1894	6.875
1895	6.875
1896	6.875
1897	6.875
1898	6.875
1899	6.875
1900	6.875
1901	6.875
1902	6.875
1903	6.875
1904	6.875
1905	6.875
1906	6.875
1907	6.875
1908	6.875
1909	6.875
1910	6.875
1911	6.875
1912	6.875
1913	6.875
1914	6.875
1915	6.875
1916	6.875
1917	6.875
1918	6.875
1919	6.875
1920	6.875
1921	6.875
1922	6.875
1923	6.875
1924	6.875
1925	6.875
1926	6.89
1927	6.905
1928	6.92
1929	6.935
1930	6.95
1931	6.965
1932	6.98
1933	6.995
1934	7.01
1935	7.025
1936	7.04
1937	7.055
1938	7.07
1939	7.085
1940	7.1
1941	7.115
1942	7.13
1943	7.145
1944	7.16
1945	7.175
1946	7.19
1947	7.205
1948	7.22
1949	7.235
1950	7.25
1951	7.251
1952	7.252
1953	7.253
1954	7.253
1955	7.252
1956	7.251
1957	7.25
1958	7.249
1959	7.248
1960	7.247
1961	7.248
1962	7.251
1963	7.256
1964	7.263
1965	7.271
1966	7.277
1967	7.282
1968	7.286
1969	7.293
1970	7.311
1971	7.35
1972	7.414
1973	7.504
1974	7.617
1975	7.747
1976	7.885
1977	8.018
1978	8.137
1979	8.232
1980	8.299
1981	8.338
1982	8.352
1983	8.34
1984	8.299
1985	8.222
1986	8.101
1987	7.933
1988	7.719
1989	7.462
1990	7.164
1991	6.831
1992	6.472
1993	6.098
1994	5.72
1995	5.346
1996	4.982
1997	4.631
1998	4.298
1999	3.992
2000	3.72
2001	3.488
2002	3.297
2003	3.144
2004	3.029
2005	2.951
2006	2.906
2007	2.887
2008	2.886
2009	2.894
2010	2.901
2011	2.899
2012	2.884
2013	2.853
2014	2.807
2015	2.745
2016	2.672
2017	2.596
2018	2.524
2019	2.456
2020	2.397
2021	2.344
2022	2.296
2023	2.251
2024	2.208
2030	1.993
2040	1.772
2050	1.701
2070	1.752
2080	1.781
2099	1.828