Year	Total
1800	6.55
1801	6.55
1802	6.55
1803	6.55
1804	6.55
1805	6.55
1806	6.55
1807	6.55
1808	6.55
1809	6.55
1810	6.55
1811	6.55
1812	6.55
1813	6.55
1814	6.55
1815	6.55
1816	6.55
1817	6.55
1818	6.55
1819	6.55
1820	6.55
1821	6.55
1822	6.55
1823	6.55
1824	6.55
1825	6.55
1826	6.55
1827	6.55
1828	6.55
1829	6.55
1830	6.55
1831	6.55
1832	6.55
1833	6.55
1834	6.55
1835	6.55
1836	6.55
1837	6.55
1838	6.55
1839	6.55
1840	6.55
1841	6.55
1842	6.55
1843	6.55
1844	6.55
1845	6.55
1846	6.55
1847	6.55
1848	6.55
1849	6.55
1850	6.55
1851	6.55
1852	6.55
1853	6.55
1854	6.55
1855	6.55
1856	6.55
1857	6.55
1858	6.55
1859	6.55
1860	6.55
1861	6.55
1862	6.55
1863	6.55
1864	6.55
1865	6.55
1866	6.55
1867	6.55
1868	6.55
1869	6.55
1870	6.55
1871	6.55
1872	6.55
1873	6.55
1874	6.55
1875	6.55
1876	6.55
1877	6.55
1878	6.55
1879	6.55
1880	6.55
1881	6.55
1882	6.55
1883	6.55
1884	6.55
1885	6.55
1886	6.55
1887	6.55
1888	6.55
1889	6.55
1890	6.55
1891	6.55
1892	6.55
1893	6.55
1894	6.55
1895	6.55
1896	6.55
1897	6.55
1898	6.55
1899	6.55
1900	6.55
1901	6.55
1902	6.55
1903	6.55
1904	6.55
1905	6.55
1906	6.55
1907	6.55
1908	6.55
1909	6.55
1910	6.55
1911	6.55
1912	6.55
1913	6.55
1914	6.55
1915	6.55
1916	6.55
1917	6.55
1918	6.55
1919	6.55
1920	6.55
1921	6.55
1922	6.55
1923	6.55
1924	6.55
1925	6.55
1926	6.54
1927	6.53
1928	6.53
1929	6.52
1930	6.51
1931	6.5
1932	6.5
1933	6.49
1934	6.48
1935	6.47
1936	6.47
1937	6.46
1938	6.45
1939	6.44
1940	6.43
1941	6.43
1942	6.42
1943	6.41
1944	6.4
1945	6.4
1946	6.39
1947	6.38
1948	6.37
1949	6.36
1950	6.36
1951	6.36
1952	6.35
1953	6.35
1954	6.35
1955	6.35
1956	6.35
1957	6.35
1958	6.36
1959	6.36
1960	6.35
1961	6.35
1962	6.35
1963	6.34
1964	6.34
1965	6.34
1966	6.34
1967	6.36
1968	6.39
1969	6.43
1970	6.47
1971	6.52
1972	6.58
1973	6.63
1974	6.67
1975	6.71
1976	6.74
1977	6.76
1978	6.77
1979	6.78
1980	6.78
1981	6.78
1982	6.77
1983	6.75
1984	6.73
1985	6.7
1986	6.66
1987	6.63
1988	6.58
1989	6.54
1990	6.49
1991	6.44
1992	6.4
1993	6.35
1994	6.3
1995	6.26
1996	6.22
1997	6.19
1998	6.16
1999	6.13
2000	6.11
2001	6.08
2002	6.06
2003	6.04
2004	6.01
2005	5.99
2006	5.96
2007	5.93
2008	5.9
2009	5.87
2010	5.84
2011	5.8
2012	5.76
2013	5.71
2014	5.65
2015	5.59
2016	5.53
2017	5.46
2018	5.39