Year	Total
1800	6.8
1801	6.8
1802	6.8
1803	6.8
1804	6.8
1805	6.8
1806	6.8
1807	6.8
1808	6.8
1809	6.8
1810	6.8
1811	6.8
1812	6.8
1813	6.8
1814	6.8
1815	6.8
1816	6.8
1817	6.8
1818	6.8
1819	6.8
1820	6.8
1821	6.8
1822	6.8
1823	6.8
1824	6.8
1825	6.8
1826	6.8
1827	6.8
1828	6.8
1829	6.8
1830	6.8
1831	6.8
1832	6.8
1833	6.8
1834	6.8
1835	6.8
1836	6.8
1837	6.8
1838	6.8
1839	6.8
1840	6.8
1841	6.8
1842	6.8
1843	6.8
1844	6.8
1845	6.8
1846	6.8
1847	6.8
1848	6.8
1849	6.8
1850	6.8
1851	6.8
1852	6.8
1853	6.8
1854	6.8
1855	6.8
1856	6.8
1857	6.8
1858	6.8
1859	6.8
1860	6.8
1861	6.8
1862	6.8
1863	6.8
1864	6.8
1865	6.8
1866	6.8
1867	6.8
1868	6.8
1869	6.8
1870	6.726
1871	6.653
1872	6.579
1873	6.577
1874	6.574
1875	6.571
1876	6.569
1877	6.566
1878	6.563
1879	6.561
1880	6.558
1881	6.555
1882	6.553
1883	6.47
1884	6.386
1885	6.303
1886	6.22
1887	6.137
1888	6.089
1889	6.041
1890	5.992
1891	5.944
1892	5.896
1893	6.264
1894	6.632
1895	7
1896	6.481
1897	5.963
1898	5.958
1899	5.952
1900	5.947
1901	5.942
1902	5.936
1903	5.877
1904	5.818
1905	5.759
1906	5.7
1907	5.641
1908	5.564
1909	5.486
1910	5.408
1911	5.331
1912	5.253
1913	5.276
1914	5.3
1915	5.227
1916	5.155
1917	5.082
1918	5.009
1919	4.937
1920	4.864
1921	4.791
1922	4.718
1923	4.646
1924	4.573
1925	4.5
1926	4.428
1927	4.355
1928	4.261
1929	4.167
1930	4.074
1931	3.98
1932	3.886
1933	3.798
1934	3.709
1935	3.621
1936	3.532
1937	3.444
1938	3.438
1939	3.433
1940	3.428
1941	3.422
1942	3.417
1943	3.374
1944	3.33
1945	3.287
1946	3.243
1947	3.2
1948	3.188
1949	3.176
1950	3.164
1951	3.162
1952	3.157
1953	3.152
1954	3.146
1955	3.141
1956	3.136
1957	3.13
1958	3.124
1959	3.117
1960	3.109
1961	3.1
1962	3.089
1963	3.078
1964	3.068
1965	3.058
1966	3.051
1967	3.048
1968	3.049
1969	3.056
1970	3.073
1971	3.104
1972	3.148
1973	3.203
1974	3.264
1975	3.321
1976	3.366
1977	3.391
1978	3.391
1979	3.368
1980	3.325
1981	3.27
1982	3.213
1983	3.163
1984	3.123
1985	3.093
1986	3.073
1987	3.056
1988	3.037
1989	3.016
1990	2.989
1991	2.956
1992	2.918
1993	2.875
1994	2.827
1995	2.774
1996	2.717
1997	2.657
1998	2.596
1999	2.535
2000	2.477
2001	2.424
2002	2.379
2003	2.34
2004	2.31
2005	2.286
2006	2.268
2007	2.254
2008	2.241
2009	2.228
2010	2.215
2011	2.201
2012	2.188
2013	2.175
2014	2.162
2015	2.149
2016	2.137
2017	2.125
2018	2.113
2019	2.101
2020	2.089
2021	2.078
2022	2.067
2023	2.056
2024	2.045
2030	1.989
2040	1.922
2050	1.883
2070	1.861
2080	1.863
2099	1.872