Year	Total
1800	6.48
1801	6.48
1802	6.48
1803	6.48
1804	6.48
1805	6.48
1806	6.48
1807	6.48
1808	6.48
1809	6.48
1810	6.48
1811	6.48
1812	6.48
1813	6.48
1814	6.48
1815	6.48
1816	6.48
1817	6.48
1818	6.48
1819	6.48
1820	6.48
1821	6.48
1822	6.48
1823	6.48
1824	6.48
1825	6.48
1826	6.48
1827	6.48
1828	6.48
1829	6.48
1830	6.48
1831	6.48
1832	6.48
1833	6.48
1834	6.48
1835	6.48
1836	6.48
1837	6.48
1838	6.48
1839	6.48
1840	6.48
1841	6.48
1842	6.48
1843	6.48
1844	6.48
1845	6.48
1846	6.48
1847	6.48
1848	6.48
1849	6.48
1850	6.48
1851	6.48
1852	6.48
1853	6.48
1854	6.48
1855	6.48
1856	6.48
1857	6.48
1858	6.48
1859	6.48
1860	6.48
1861	6.48
1862	6.48
1863	6.48
1864	6.48
1865	6.48
1866	6.48
1867	6.48
1868	6.48
1869	6.48
1870	6.48
1871	6.48
1872	6.48
1873	6.48
1874	6.48
1875	6.48
1876	6.48
1877	6.48
1878	6.48
1879	6.48
1880	6.48
1881	6.48
1882	6.48
1883	6.48
1884	6.48
1885	6.48
1886	6.48
1887	6.48
1888	6.48
1889	6.48
1890	6.48
1891	6.48
1892	6.48
1893	6.48
1894	6.48
1895	6.48
1896	6.48
1897	6.48
1898	6.48
1899	6.48
1900	6.48
1901	6.48
1902	6.48
1903	6.48
1904	6.48
1905	6.48
1906	6.48
1907	6.48
1908	6.48
1909	6.48
1910	6.48
1911	6.48
1912	6.48
1913	6.48
1914	6.48
1915	6.48
1916	6.48
1917	6.48
1918	6.48
1919	6.48
1920	6.48
1921	6.48
1922	6.48
1923	6.48
1924	6.48
1925	6.48
1926	6.48
1927	6.48
1928	6.48
1929	6.48
1930	6.48
1931	6.49
1932	6.5
1933	6.52
1934	6.53
1935	6.54
1936	6.55
1937	6.56
1938	6.57
1939	6.59
1940	6.6
1941	6.61
1942	6.62
1943	6.63
1944	6.65
1945	6.66
1946	6.67
1947	6.68
1948	6.69
1949	6.7
1950	6.72
1951	6.73
1952	6.75
1953	6.76
1954	6.77
1955	6.77
1956	6.77
1957	6.75
1958	6.74
1959	6.72
1960	6.7
1961	6.67
1962	6.65
1963	6.63
1964	6.61
1965	6.59
1966	6.59
1967	6.59
1968	6.59
1969	6.59
1970	6.58
1971	6.55
1972	6.5
1973	6.42
1974	6.31
1975	6.18
1976	6.04
1977	5.9
1978	5.76
1979	5.63
1980	5.52
1981	5.42
1982	5.34
1983	5.26
1984	5.19
1985	5.13
1986	5.07
1987	5.03
1988	4.99
1989	4.95
1990	4.91
1991	4.87
1992	4.81
1993	4.74
1994	4.66
1995	4.58
1996	4.47
1997	4.37
1998	4.27
1999	4.16
2000	4.06
2001	3.96
2002	3.87
2003	3.77
2004	3.68
2005	3.6
2006	3.51
2007	3.43
2008	3.35
2009	3.27
2010	3.2
2011	3.13
2012	3.07
2013	3.02
2014	2.97
2015	2.92
2016	2.88
2017	2.84
2018	2.8