Year	Total
1800	6.02
1801	6.02
1802	6.02
1803	6.02
1804	6.02
1805	6.02
1806	6.02
1807	6.02
1808	6.02
1809	6.02
1810	6.02
1811	6.02
1812	6.02
1813	6.02
1814	6.02
1815	6.02
1816	6.02
1817	6.02
1818	6.02
1819	6.02
1820	6.02
1821	6.02
1822	6.02
1823	6.02
1824	6.02
1825	6.02
1826	6.02
1827	6.02
1828	6.02
1829	6.02
1830	6.02
1831	6.02
1832	6.02
1833	6.02
1834	6.02
1835	6.02
1836	6.02
1837	6.02
1838	6.02
1839	6.02
1840	6.02
1841	6.02
1842	6.02
1843	6.02
1844	6.02
1845	6.02
1846	6.02
1847	6.02
1848	6.02
1849	6.02
1850	6.02
1851	6.02
1852	6.02
1853	6.02
1854	6.02
1855	6.02
1856	6.02
1857	6.02
1858	6.02
1859	6.02
1860	6.02
1861	6.02
1862	6.02
1863	6.02
1864	6.02
1865	6.02
1866	6.02
1867	6.02
1868	6.02
1869	6.02
1870	6.02
1871	6.02
1872	6.02
1873	6.02
1874	6.02
1875	6.02
1876	6.02
1877	6.02
1878	6.02
1879	6.02
1880	6.02
1881	6.02
1882	6.02
1883	6.02
1884	6.02
1885	6.02
1886	6.02
1887	6.02
1888	6.02
1889	6.02
1890	6.02
1891	6.02
1892	6.02
1893	6.02
1894	6.02
1895	6.02
1896	6.02
1897	6.02
1898	6.02
1899	6.02
1900	6.02
1901	6.02
1902	6.02
1903	6.02
1904	6.02
1905	6.02
1906	6.02
1907	6.02
1908	6.02
1909	6.02
1910	6.02
1911	6.02
1912	6.02
1913	6.02
1914	6.02
1915	6.02
1916	6.02
1917	6.02
1918	6.02
1919	6.02
1920	6.02
1921	6.02
1922	6.02
1923	6.02
1924	6.02
1925	6.02
1926	6.07
1927	6.12
1928	6.17
1929	6.23
1930	6.28
1931	6.33
1932	6.38
1933	6.43
1934	6.48
1935	6.53
1936	6.58
1937	6.64
1938	6.69
1939	6.74
1940	6.79
1941	6.84
1942	6.89
1943	6.94
1944	7
1945	7.05
1946	7.1
1947	7.15
1948	7.2
1949	7.25
1950	7.3
1951	7.28
1952	7.22
1953	7.17
1954	7.13
1955	7.09
1956	7.05
1957	7.01
1958	6.98
1959	6.96
1960	6.93
1961	6.92
1962	6.91
1963	6.9
1964	6.89
1965	6.89
1966	6.9
1967	6.91
1968	6.92
1969	6.94
1970	6.94
1971	6.93
1972	6.89
1973	6.84
1974	6.77
1975	6.68
1976	6.59
1977	6.49
1978	6.4
1979	6.31
1980	6.22
1981	6.13
1982	6.02
1983	5.89
1984	5.75
1985	5.6
1986	5.45
1987	5.3
1988	5.17
1989	5.05
1990	4.96
1991	4.88
1992	4.82
1993	4.77
1994	4.72
1995	4.66
1996	4.61
1997	4.54
1998	4.47
1999	4.39
2000	4.3
2001	4.2
2002	4.11
2003	4.01
2004	3.91
2005	3.82
2006	3.74
2007	3.66
2008	3.59
2009	3.52
2010	3.46
2011	3.4
2012	3.35
2013	3.29
2014	3.24
2015	3.19
2016	3.15
2017	3.1
2018	3.05