Year	Total
1800	6.49
1801	6.49
1802	6.49
1803	6.49
1804	6.49
1805	6.49
1806	6.49
1807	6.49
1808	6.49
1809	6.49
1810	6.49
1811	6.49
1812	6.49
1813	6.49
1814	6.49
1815	6.49
1816	6.49
1817	6.49
1818	6.49
1819	6.49
1820	6.49
1821	6.49
1822	6.49
1823	6.49
1824	6.49
1825	6.49
1826	6.49
1827	6.49
1828	6.49
1829	6.49
1830	6.49
1831	6.49
1832	6.49
1833	6.49
1834	6.49
1835	6.49
1836	6.49
1837	6.49
1838	6.49
1839	6.49
1840	6.49
1841	6.49
1842	6.49
1843	6.49
1844	6.49
1845	6.49
1846	6.49
1847	6.49
1848	6.49
1849	6.49
1850	6.49
1851	6.49
1852	6.49
1853	6.49
1854	6.49
1855	6.49
1856	6.49
1857	6.49
1858	6.49
1859	6.49
1860	6.49
1861	6.49
1862	6.49
1863	6.49
1864	6.49
1865	6.49
1866	6.49
1867	6.49
1868	6.49
1869	6.49
1870	6.49
1871	6.49
1872	6.49
1873	6.49
1874	6.49
1875	6.49
1876	6.49
1877	6.49
1878	6.49
1879	6.49
1880	6.49
1881	6.49
1882	6.49
1883	6.49
1884	6.49
1885	6.49
1886	6.49
1887	6.49
1888	6.49
1889	6.49
1890	6.49
1891	6.49
1892	6.49
1893	6.49
1894	6.49
1895	6.49
1896	6.49
1897	6.49
1898	6.49
1899	6.49
1900	6.49
1901	6.49
1902	6.49
1903	6.49
1904	6.49
1905	6.49
1906	6.49
1907	6.49
1908	6.49
1909	6.49
1910	6.49
1911	6.49
1912	6.49
1913	6.49
1914	6.49
1915	6.49
1916	6.49
1917	6.49
1918	6.49
1919	6.49
1920	6.49
1921	6.49
1922	6.49
1923	6.49
1924	6.49
1925	6.49
1926	6.49
1927	6.49
1928	6.49
1929	6.49
1930	6.49
1931	6.49
1932	6.49
1933	6.49
1934	6.49
1935	6.49
1936	6.49
1937	6.49
1938	6.49
1939	6.49
1940	6.49
1941	6.49
1942	6.49
1943	6.49
1944	6.49
1945	6.49
1946	6.49
1947	6.49
1948	6.49
1949	6.49
1950	6.49
1951	6.49
1952	6.5
1953	6.5
1954	6.51
1955	6.51
1956	6.51
1957	6.51
1958	6.51
1959	6.51
1960	6.5
1961	6.49
1962	6.47
1963	6.45
1964	6.41
1965	6.36
1966	6.28
1967	6.17
1968	6.04
1969	5.89
1970	5.74
1971	5.59
1972	5.46
1973	5.35
1974	5.27
1975	5.22
1976	5.2
1977	5.19
1978	5.19
1979	5.18
1980	5.17
1981	5.16
1982	5.13
1983	5.09
1984	5.04
1985	4.97
1986	4.9
1987	4.82
1988	4.73
1989	4.64
1990	4.55
1991	4.46
1992	4.37
1993	4.28
1994	4.2
1995	4.11
1996	4.01
1997	3.91
1998	3.8
1999	3.68
2000	3.55
2001	3.43
2002	3.32
2003	3.21
2004	3.12
2005	3.04
2006	2.97
2007	2.91
2008	2.85
2009	2.79
2010	2.73
2011	2.68
2012	2.63
2013	2.58
2014	2.54
2015	2.51
2016	2.48
2017	2.45
2018	2.43