Year	Total
1800	6.74
1801	6.74
1802	6.74
1803	6.74
1804	6.74
1805	6.74
1806	6.74
1807	6.74
1808	6.74
1809	6.74
1810	6.74
1811	6.74
1812	6.74
1813	6.74
1814	6.74
1815	6.74
1816	6.74
1817	6.74
1818	6.74
1819	6.74
1820	6.74
1821	6.74
1822	6.74
1823	6.74
1824	6.74
1825	6.74
1826	6.74
1827	6.74
1828	6.74
1829	6.74
1830	6.74
1831	6.74
1832	6.74
1833	6.74
1834	6.74
1835	6.74
1836	6.74
1837	6.74
1838	6.74
1839	6.74
1840	6.74
1841	6.74
1842	6.74
1843	6.74
1844	6.74
1845	6.74
1846	6.74
1847	6.74
1848	6.74
1849	6.74
1850	6.74
1851	6.74
1852	6.74
1853	6.74
1854	6.74
1855	6.74
1856	6.74
1857	6.74
1858	6.74
1859	6.74
1860	6.74
1861	6.74
1862	6.74
1863	6.74
1864	6.74
1865	6.74
1866	6.74
1867	6.74
1868	6.74
1869	6.74
1870	6.74
1871	6.74
1872	6.74
1873	6.74
1874	6.74
1875	6.74
1876	6.74
1877	6.74
1878	6.74
1879	6.74
1880	6.74
1881	6.74
1882	6.74
1883	6.74
1884	6.74
1885	6.74
1886	6.74
1887	6.74
1888	6.74
1889	6.74
1890	6.74
1891	6.74
1892	6.74
1893	6.74
1894	6.74
1895	6.74
1896	6.74
1897	6.74
1898	6.74
1899	6.74
1900	6.74
1901	6.74
1902	6.74
1903	6.74
1904	6.74
1905	6.74
1906	6.74
1907	6.74
1908	6.74
1909	6.74
1910	6.74
1911	6.74
1912	6.74
1913	6.74
1914	6.74
1915	6.74
1916	6.74
1917	6.74
1918	6.74
1919	6.74
1920	6.74
1921	6.74
1922	6.74
1923	6.74
1924	6.74
1925	6.74
1926	6.74
1927	6.74
1928	6.74
1929	6.73
1930	6.73
1931	6.73
1932	6.73
1933	6.73
1934	6.73
1935	6.72
1936	6.72
1937	6.72
1938	6.72
1939	6.72
1940	6.72
1941	6.71
1942	6.71
1943	6.71
1944	6.71
1945	6.71
1946	6.71
1947	6.7
1948	6.7
1949	6.7
1950	6.7
1951	6.71
1952	6.73
1953	6.75
1954	6.77
1955	6.78
1956	6.79
1957	6.8
1958	6.8
1959	6.81
1960	6.81
1961	6.81
1962	6.8
1963	6.8
1964	6.8
1965	6.8
1966	6.8
1967	6.79
1968	6.79
1969	6.78
1970	6.77
1971	6.77
1972	6.76
1973	6.76
1974	6.76
1975	6.75
1976	6.74
1977	6.73
1978	6.71
1979	6.69
1980	6.65
1981	6.62
1982	6.58
1983	6.54
1984	6.5
1985	6.47
1986	6.42
1987	6.38
1988	6.33
1989	6.27
1990	6.21
1991	6.15
1992	6.08
1993	6.01
1994	5.95
1995	5.88
1996	5.83
1997	5.78
1998	5.74
1999	5.71
2000	5.69
2001	5.68
2002	5.67
2003	5.66
2004	5.65
2005	5.64
2006	5.62
2007	5.58
2008	5.54
2009	5.49
2010	5.43
2011	5.36
2012	5.29
2013	5.22
2014	5.15
2015	5.08
2016	5.02
2017	4.95
2018	4.89