Year	Total
1800	5.72
1801	5.72
1802	5.72
1803	5.72
1804	5.72
1805	5.72
1806	5.72
1807	5.72
1808	5.72
1809	5.72
1810	5.72
1811	5.72
1812	5.72
1813	5.72
1814	5.72
1815	5.72
1816	5.72
1817	5.72
1818	5.72
1819	5.72
1820	5.72
1821	5.72
1822	5.72
1823	5.72
1824	5.72
1825	5.72
1826	5.72
1827	5.72
1828	5.72
1829	5.72
1830	5.72
1831	5.72
1832	5.72
1833	5.72
1834	5.72
1835	5.72
1836	5.72
1837	5.72
1838	5.72
1839	5.72
1840	5.72
1841	5.72
1842	5.72
1843	5.72
1844	5.72
1845	5.72
1846	5.72
1847	5.72
1848	5.72
1849	5.72
1850	5.72
1851	5.72
1852	5.72
1853	5.72
1854	5.72
1855	5.72
1856	5.72
1857	5.72
1858	5.72
1859	5.72
1860	5.72
1861	5.72
1862	5.72
1863	5.72
1864	5.72
1865	5.72
1866	5.72
1867	5.72
1868	5.72
1869	5.72
1870	5.72
1871	5.72
1872	5.72
1873	5.72
1874	5.72
1875	5.72
1876	5.72
1877	5.72
1878	5.72
1879	5.72
1880	5.72
1881	5.72
1882	5.72
1883	5.72
1884	5.72
1885	5.72
1886	5.72
1887	5.72
1888	5.72
1889	5.72
1890	5.72
1891	5.72
1892	5.72
1893	5.72
1894	5.72
1895	5.72
1896	5.72
1897	5.72
1898	5.72
1899	5.72
1900	5.72
1901	5.72
1902	5.72
1903	5.72
1904	5.72
1905	5.72
1906	5.72
1907	5.72
1908	5.72
1909	5.72
1910	5.72
1911	5.72
1912	5.72
1913	5.72
1914	5.72
1915	5.72
1916	5.72
1917	5.72
1918	5.72
1919	5.72
1920	5.72
1921	5.72
1922	5.72
1923	5.72
1924	5.72
1925	5.72
1926	5.72
1927	5.72
1928	5.72
1929	5.72
1930	5.72
1931	5.72
1932	5.73
1933	5.73
1934	5.73
1935	5.73
1936	5.74
1937	5.74
1938	5.75
1939	5.76
1940	5.76
1941	5.77
1942	5.78
1943	5.79
1944	5.8
1945	5.82
1946	5.83
1947	5.84
1948	5.86
1949	5.87
1950	5.89
1951	5.9
1952	5.9
1953	5.91
1954	5.92
1955	5.94
1956	5.96
1957	6
1958	6.03
1959	6.08
1960	6.13
1961	6.17
1962	6.22
1963	6.26
1964	6.3
1965	6.34
1966	6.37
1967	6.4
1968	6.43
1969	6.47
1970	6.5
1971	6.52
1972	6.55
1973	6.57
1974	6.59
1975	6.61
1976	6.63
1977	6.64
1978	6.66
1979	6.68
1980	6.69
1981	6.7
1982	6.72
1983	6.72
1984	6.73
1985	6.73
1986	6.73
1987	6.73
1988	6.73
1989	6.73
1990	6.72
1991	6.71
1992	6.7
1993	6.67
1994	6.65
1995	6.61
1996	6.56
1997	6.51
1998	6.46
1999	6.39
2000	6.32
2001	6.24
2002	6.16
2003	6.07
2004	5.97
2005	5.86
2006	5.75
2007	5.62
2008	5.49
2009	5.35
2010	5.2
2011	5.06
2012	4.92
2013	4.79
2014	4.67
2015	4.56
2016	4.46
2017	4.36
2018	4.26