Year	Total
1800	5.16
1801	5.16
1802	5.16
1803	5.16
1804	5.16
1805	5.16
1806	5.16
1807	5.16
1808	5.16
1809	5.16
1810	5.16
1811	5.16
1812	5.16
1813	5.16
1814	5.16
1815	5.16
1816	5.16
1817	5.16
1818	5.16
1819	5.16
1820	5.16
1821	5.16
1822	5.16
1823	5.16
1824	5.16
1825	5.16
1826	5.16
1827	5.16
1828	5.16
1829	5.16
1830	5.16
1831	5.16
1832	5.16
1833	5.16
1834	5.16
1835	5.16
1836	5.16
1837	5.16
1838	5.16
1839	5.16
1840	5.16
1841	5.16
1842	5.16
1843	5.16
1844	5.16
1845	5.16
1846	5.16
1847	5.16
1848	5.16
1849	5.16
1850	5.16
1851	5.16
1852	5.16
1853	5.16
1854	5.16
1855	5.16
1856	5.16
1857	5.16
1858	5.16
1859	5.16
1860	5.16
1861	5.16
1862	5.16
1863	5.16
1864	5.16
1865	5.16
1866	5.16
1867	5.16
1868	5.16
1869	5.16
1870	5.16
1871	5.16
1872	5.16
1873	5.16
1874	5.16
1875	5.16
1876	5.16
1877	5.16
1878	5.16
1879	5.16
1880	5.16
1881	5.16
1882	5.16
1883	5.16
1884	5.16
1885	5.16
1886	5.16
1887	5.16
1888	5.16
1889	5.16
1890	5.16
1891	5.16
1892	5.16
1893	5.16
1894	5.16
1895	5.16
1896	5.16
1897	5.16
1898	5.16
1899	5.16
1900	5.16
1901	5.16
1902	5.16
1903	5.16
1904	5.16
1905	5.16
1906	5.16
1907	5.16
1908	5.16
1909	5.16
1910	5.16
1911	5.16
1912	5.16
1913	5.16
1914	5.16
1915	5.16
1916	5.16
1917	5.16
1918	5.16
1919	5.16
1920	5.16
1921	5.16
1922	5.16
1923	5.16
1924	5.16
1925	5.16
1926	5.16
1927	5.16
1928	5.16
1929	5.16
1930	5.16
1931	5.16
1932	5.16
1933	5.16
1934	5.16
1935	5.16
1936	5.16
1937	5.16
1938	5.16
1939	5.16
1940	5.16
1941	5.16
1942	5.16
1943	5.16
1944	5.16
1945	5.16
1946	5.16
1947	5.16
1948	5.16
1949	5.16
1950	5.16
1951	5.1
1952	5.01
1953	4.95
1954	4.91
1955	4.91
1956	4.93
1957	4.98
1958	5.06
1959	5.16
1960	5.27
1961	5.4
1962	5.53
1963	5.65
1964	5.76
1965	5.84
1966	5.89
1967	5.92
1968	5.9
1969	5.85
1970	5.76
1971	5.63
1972	5.47
1973	5.28
1974	5.07
1975	4.85
1976	4.62
1977	4.41
1978	4.2
1979	4.02
1980	3.85
1981	3.7
1982	3.56
1983	3.43
1984	3.31
1985	3.19
1986	3.08
1987	2.99
1988	2.9
1989	2.82
1990	2.74
1991	2.66
1992	2.59
1993	2.51
1994	2.42
1995	2.35
1996	2.28
1997	2.22
1998	2.18
1999	2.16
2000	2.15
2001	2.16
2002	2.18
2003	2.2
2004	2.22
2005	2.25
2006	2.27
2007	2.29
2008	2.32
2009	2.34
2010	2.36
2011	2.37
2012	2.37
2013	2.37
2014	2.35
2015	2.33
2016	2.31
2017	2.28
2018	2.25