Year	Total
1800	6.7
1801	6.7
1802	6.7
1803	6.7
1804	6.7
1805	6.7
1806	6.7
1807	6.7
1808	6.7
1809	6.7
1810	6.7
1811	6.7
1812	6.7
1813	6.7
1814	6.7
1815	6.7
1816	6.7
1817	6.7
1818	6.7
1819	6.7
1820	6.7
1821	6.7
1822	6.7
1823	6.7
1824	6.7
1825	6.7
1826	6.7
1827	6.7
1828	6.7
1829	6.7
1830	6.7
1831	6.7
1832	6.7
1833	6.7
1834	6.7
1835	6.7
1836	6.7
1837	6.7
1838	6.7
1839	6.7
1840	6.7
1841	6.7
1842	6.7
1843	6.7
1844	6.7
1845	6.7
1846	6.7
1847	6.7
1848	6.7
1849	6.7
1850	6.7
1851	6.7
1852	6.7
1853	6.7
1854	6.7
1855	6.7
1856	6.7
1857	6.7
1858	6.7
1859	6.7
1860	6.7
1861	6.7
1862	6.7
1863	6.7
1864	6.7
1865	6.7
1866	6.7
1867	6.7
1868	6.7
1869	6.7
1870	6.7
1871	6.7
1872	6.7
1873	6.7
1874	6.7
1875	6.7
1876	6.7
1877	6.7
1878	6.7
1879	6.7
1880	6.7
1881	6.7
1882	6.7
1883	6.7
1884	6.7
1885	6.7
1886	6.7
1887	6.7
1888	6.7
1889	6.7
1890	6.7
1891	6.7
1892	6.7
1893	6.7
1894	6.7
1895	6.7
1896	6.7
1897	6.7
1898	6.7
1899	6.7
1900	6.7
1901	6.7
1902	6.7
1903	6.7
1904	6.7
1905	6.7
1906	6.7
1907	6.7
1908	6.7
1909	6.7
1910	6.7
1911	6.7
1912	6.7
1913	6.7
1914	6.7
1915	6.7
1916	6.7
1917	6.7
1918	6.7
1919	6.7
1920	6.7
1921	6.7
1922	6.7
1923	6.7
1924	6.7
1925	6.7
1926	6.681
1927	6.663
1928	6.644
1929	6.625
1930	6.607
1931	6.588
1932	6.569
1933	6.551
1934	6.532
1935	6.513
1936	6.495
1937	6.476
1938	6.457
1939	6.438
1940	6.42
1941	6.401
1942	6.382
1943	6.364
1944	6.345
1945	6.326
1946	6.308
1947	6.289
1948	6.27
1949	6.252
1950	6.233
1951	6.266
1952	6.331
1953	6.392
1954	6.45
1955	6.504
1956	6.555
1957	6.602
1958	6.646
1959	6.687
1960	6.725
1961	6.761
1962	6.794
1963	6.825
1964	6.853
1965	6.878
1966	6.901
1967	6.92
1968	6.935
1969	6.945
1970	6.947
1971	6.942
1972	6.928
1973	6.904
1974	6.869
1975	6.821
1976	6.758
1977	6.68
1978	6.587
1979	6.48
1980	6.356
1981	6.216
1982	6.06
1983	5.89
1984	5.71
1985	5.522
1986	5.327
1987	5.13
1988	4.932
1989	4.738
1990	4.55
1991	4.37
1992	4.197
1993	4.033
1994	3.878
1995	3.732
1996	3.596
1997	3.468
1998	3.346
1999	3.231
2000	3.12
2001	3.011
2002	2.905
2003	2.802
2004	2.702
2005	2.607
2006	2.52
2007	2.443
2008	2.377
2009	2.322
2010	2.277
2011	2.24
2012	2.208
2013	2.177
2014	2.148
2015	2.118
2016	2.088
2017	2.06
2018	2.032
2019	2.006
2020	1.981
2021	1.957
2022	1.935
2023	1.913
2024	1.893
2030	1.791
2040	1.701
2050	1.685
2070	1.74
2080	1.772
2099	1.817