Year	Total
1800	6.83
1801	6.83
1802	6.83
1803	6.83
1804	6.83
1805	6.83
1806	6.83
1807	6.83
1808	6.83
1809	6.83
1810	6.83
1811	6.83
1812	6.83
1813	6.83
1814	6.83
1815	6.83
1816	6.83
1817	6.83
1818	6.83
1819	6.83
1820	6.83
1821	6.83
1822	6.83
1823	6.83
1824	6.83
1825	6.83
1826	6.83
1827	6.83
1828	6.83
1829	6.83
1830	6.83
1831	6.83
1832	6.83
1833	6.83
1834	6.83
1835	6.83
1836	6.83
1837	6.83
1838	6.83
1839	6.83
1840	6.83
1841	6.83
1842	6.83
1843	6.83
1844	6.83
1845	6.83
1846	6.83
1847	6.83
1848	6.83
1849	6.83
1850	6.83
1851	6.83
1852	6.83
1853	6.83
1854	6.83
1855	6.83
1856	6.83
1857	6.83
1858	6.83
1859	6.83
1860	6.83
1861	6.83
1862	6.83
1863	6.83
1864	6.83
1865	6.83
1866	6.83
1867	6.83
1868	6.83
1869	6.83
1870	6.83
1871	6.83
1872	6.83
1873	6.83
1874	6.83
1875	6.83
1876	6.83
1877	6.83
1878	6.83
1879	6.83
1880	6.83
1881	6.83
1882	6.83
1883	6.83
1884	6.83
1885	6.83
1886	6.83
1887	6.83
1888	6.83
1889	6.83
1890	6.83
1891	6.83
1892	6.83
1893	6.83
1894	6.83
1895	6.83
1896	6.83
1897	6.83
1898	6.83
1899	6.83
1900	6.83
1901	6.83
1902	6.83
1903	6.83
1904	6.83
1905	6.83
1906	6.83
1907	6.83
1908	6.83
1909	6.83
1910	6.83
1911	6.83
1912	6.83
1913	6.83
1914	6.83
1915	6.83
1916	6.83
1917	6.83
1918	6.83
1919	6.83
1920	6.83
1921	6.83
1922	6.83
1923	6.83
1924	6.83
1925	6.83
1926	6.83
1927	6.83
1928	6.83
1929	6.83
1930	6.84
1931	6.84
1932	6.84
1933	6.84
1934	6.85
1935	6.85
1936	6.86
1937	6.87
1938	6.87
1939	6.88
1940	6.89
1941	6.9
1942	6.91
1943	6.93
1944	6.94
1945	6.95
1946	6.97
1947	6.99
1948	7
1949	7.02
1950	7.04
1951	7.06
1952	7.1
1953	7.14
1954	7.18
1955	7.22
1956	7.26
1957	7.31
1958	7.36
1959	7.41
1960	7.45
1961	7.47
1962	7.49
1963	7.51
1964	7.52
1965	7.53
1966	7.54
1967	7.54
1968	7.55
1969	7.56
1970	7.57
1971	7.58
1972	7.6
1973	7.62
1974	7.64
1975	7.67
1976	7.7
1977	7.74
1978	7.78
1979	7.81
1980	7.84
1981	7.87
1982	7.88
1983	7.89
1984	7.88
1985	7.87
1986	7.85
1987	7.82
1988	7.8
1989	7.79
1990	7.77
1991	7.76
1992	7.75
1993	7.74
1994	7.73
1995	7.73
1996	7.72
1997	7.71
1998	7.7
1999	7.69
2000	7.68
2001	7.67
2002	7.66
2003	7.64
2004	7.63
2005	7.61
2006	7.59
2007	7.57
2008	7.54
2009	7.52
2010	7.49
2011	7.46
2012	7.42
2013	7.38
2014	7.34
2015	7.29
2016	7.24
2017	7.18
2018	7.13