Year	Total
1800	5.81
1801	5.81
1802	5.81
1803	5.81
1804	5.81
1805	5.81
1806	5.81
1807	5.81
1808	5.81
1809	5.81
1810	5.81
1811	5.81
1812	5.81
1813	5.81
1814	5.81
1815	5.81
1816	5.81
1817	5.81
1818	5.81
1819	5.81
1820	5.81
1821	5.81
1822	5.81
1823	5.81
1824	5.81
1825	5.81
1826	5.81
1827	5.81
1828	5.81
1829	5.81
1830	5.81
1831	5.81
1832	5.81
1833	5.81
1834	5.81
1835	5.81
1836	5.81
1837	5.81
1838	5.81
1839	5.81
1840	5.81
1841	5.81
1842	5.81
1843	5.81
1844	5.81
1845	5.81
1846	5.81
1847	5.81
1848	5.81
1849	5.81
1850	5.81
1851	5.81
1852	5.81
1853	5.81
1854	5.81
1855	5.81
1856	5.81
1857	5.81
1858	5.81
1859	5.81
1860	5.81
1861	5.81
1862	5.81
1863	5.81
1864	5.81
1865	5.81
1866	5.81
1867	5.81
1868	5.81
1869	5.81
1870	5.81
1871	5.81
1872	5.81
1873	5.81
1874	5.81
1875	5.81
1876	5.81
1877	5.81
1878	5.81
1879	5.81
1880	5.81
1881	5.81
1882	5.81
1883	5.81
1884	5.81
1885	5.81
1886	5.81
1887	5.81
1888	5.81
1889	5.81
1890	5.81
1891	5.81
1892	5.81
1893	5.81
1894	5.81
1895	5.81
1896	5.81
1897	5.81
1898	5.81
1899	5.81
1900	5.81
1901	5.81
1902	5.81
1903	5.81
1904	5.81
1905	5.81
1906	5.81
1907	5.81
1908	5.81
1909	5.81
1910	5.81
1911	5.81
1912	5.81
1913	5.81
1914	5.81
1915	5.81
1916	5.81
1917	5.81
1918	5.81
1919	5.81
1920	5.81
1921	5.81
1922	5.81
1923	5.81
1924	5.81
1925	5.81
1926	5.78
1927	5.76
1928	5.73
1929	5.71
1930	5.68
1931	5.66
1932	5.63
1933	5.61
1934	5.58
1935	5.56
1936	5.53
1937	5.51
1938	5.48
1939	5.46
1940	5.43
1941	5.41
1942	5.38
1943	5.36
1944	5.33
1945	5.31
1946	5.28
1947	5.26
1948	5.23
1949	5.21
1950	5.18
1951	5.36
1952	5.69
1953	5.97
1954	6.22
1955	6.43
1956	6.59
1957	6.71
1958	6.78
1959	6.79
1960	6.74
1961	6.63
1962	6.44
1963	6.2
1964	5.91
1965	5.6
1966	5.3
1967	5.04
1968	4.84
1969	4.69
1970	4.6
1971	4.56
1972	4.54
1973	4.51
1974	4.48
1975	4.44
1976	4.39
1977	4.34
1978	4.3
1979	4.27
1980	4.25
1981	4.24
1982	4.24
1983	4.25
1984	4.24
1985	4.23
1986	4.2
1987	4.15
1988	4.07
1989	3.97
1990	3.84
1991	3.7
1992	3.55
1993	3.4
1994	3.25
1995	3.12
1996	2.99
1997	2.87
1998	2.76
1999	2.67
2000	2.58
2001	2.51
2002	2.46
2003	2.41
2004	2.37
2005	2.34
2006	2.32
2007	2.3
2008	2.28
2009	2.26
2010	2.24
2011	2.22
2012	2.19
2013	2.17
2014	2.15
2015	2.13
2016	2.1
2017	2.08
2018	2.06