Year	Total
1800	5.1
1801	5.1
1802	5.1
1803	5.1
1804	5.1
1805	5.1
1806	5.1
1807	5.1
1808	5.1
1809	5.1
1810	5.1
1811	5.1
1812	5.1
1813	5.1
1814	5.1
1815	5.1
1816	5.1
1817	5.1
1818	5.1
1819	5.1
1820	5.1
1821	5.1
1822	5.1
1823	5.1
1824	5.1
1825	5.1
1826	5.1
1827	5.1
1828	5.1
1829	5.1
1830	5.1
1831	5.1
1832	5.1
1833	5.1
1834	5.1
1835	5.1
1836	5.1
1837	5.1
1838	5.1
1839	5.1
1840	5.1
1841	5.1
1842	5.1
1843	5.1
1844	5.1
1845	5.1
1846	5.1
1847	5.1
1848	5.1
1849	5.1
1850	5.1
1851	5.1
1852	5.1
1853	5.1
1854	5.1
1855	5.1
1856	5.1
1857	5.1
1858	5.1
1859	5.1
1860	5.1
1861	5.059
1862	5.018
1863	4.976
1864	4.935
1865	4.894
1866	4.853
1867	4.812
1868	4.77
1869	4.729
1870	4.688
1871	4.647
1872	4.751
1873	4.832
1874	4.798
1875	4.815
1876	4.918
1877	4.725
1878	4.609
1879	4.614
1880	4.625
1881	4.546
1882	4.559
1883	4.511
1884	4.579
1885	4.493
1886	4.506
1887	4.485
1888	4.432
1889	4.44
1890	4.24
1891	4.477
1892	4.31
1893	4.36
1894	4.336
1895	4.404
1896	4.4
1897	4.332
1898	4.349
1899	4.349
1900	4.326
1901	4.337
1902	4.346
1903	4.128
1904	4.168
1905	3.988
1906	4.008
1907	3.893
1908	3.834
1909	3.797
1910	3.687
1911	3.498
1912	3.503
1913	3.334
1914	3.203
1915	3.072
1916	2.942
1917	2.811
1918	2.68
1919	2.55
1920	3.137
1921	3.209
1922	3.194
1923	3.1
1924	2.992
1925	2.85
1926	2.662
1927	2.474
1928	2.427
1929	2.322
1930	2.321
1931	2.19
1932	2.1
1933	1.973
1934	1.872
1935	1.812
1936	1.804
1937	1.54
1938	1.918
1939	2.861
1940	2.698
1941	2.534
1942	2.371
1943	2.207
1944	2.044
1945	1.88
1946	1.877
1947	1.874
1948	1.872
1949	1.869
1950	1.866
1951	2.021
1952	2.061
1953	2.094
1954	2.156
1955	2.289
1956	2.486
1957	2.572
1958	2.6
1959	2.688
1960	2.696
1961	2.786
1962	2.8
1963	2.821
1964	2.795
1965	2.703
1966	2.663
1967	2.621
1968	2.586
1969	2.488
1970	2.292
1971	2.2
1972	2.085
1973	1.938
1974	1.908
1975	1.827
1976	1.688
1977	1.631
1978	1.604
1979	1.598
1980	1.652
1981	1.674
1982	1.661
1983	1.559
1984	1.522
1985	1.474
1986	1.449
1987	1.432
1988	1.447
1989	1.446
1990	1.457
1991	1.507
1992	1.505
1993	1.501
1994	1.465
1995	1.424
1996	1.446
1997	1.393
1998	1.37
1999	1.34
2000	1.365
2001	1.33
2002	1.393
2003	1.376
2004	1.419
2005	1.406
2006	1.405
2007	1.379
2008	1.411
2009	1.391
2010	1.438
2011	1.443
2012	1.457
2013	1.471
2014	1.484
2015	1.496
2016	1.508
2017	1.519
2018	1.53
2019	1.54
2020	1.55
2021	1.56
2022	1.57
2023	1.579
2024	1.588
2030	1.637
2040	1.701
2050	1.748
2070	1.809
2080	1.828
2099	1.856