Year	Total
1800	5.94
1801	5.94
1802	5.94
1803	5.94
1804	5.94
1805	5.94
1806	5.94
1807	5.94
1808	5.94
1809	5.94
1810	5.94
1811	5.94
1812	5.94
1813	5.94
1814	5.94
1815	5.94
1816	5.94
1817	5.94
1818	5.94
1819	5.94
1820	5.94
1821	5.94
1822	5.94
1823	5.94
1824	5.94
1825	5.94
1826	5.94
1827	5.94
1828	5.94
1829	5.94
1830	5.94
1831	5.94
1832	5.94
1833	5.94
1834	5.94
1835	5.94
1836	5.94
1837	5.94
1838	5.94
1839	5.94
1840	5.94
1841	5.94
1842	5.94
1843	5.94
1844	5.94
1845	5.94
1846	5.94
1847	5.94
1848	5.94
1849	5.94
1850	5.94
1851	5.94
1852	5.94
1853	5.94
1854	5.94
1855	5.94
1856	5.94
1857	5.94
1858	5.94
1859	5.94
1860	5.94
1861	5.94
1862	5.94
1863	5.94
1864	5.94
1865	5.94
1866	5.94
1867	5.94
1868	5.94
1869	5.94
1870	5.94
1871	5.94
1872	5.94
1873	5.94
1874	5.95
1875	5.95
1876	5.96
1877	5.96
1878	5.92
1879	5.87
1880	5.83
1881	5.78
1882	5.74
1883	5.77
1884	5.8
1885	5.83
1886	5.86
1887	5.9
1888	5.83
1889	5.76
1890	5.7
1891	5.63
1892	5.56
1893	5.54
1894	5.52
1895	5.5
1896	5.49
1897	5.47
1898	5.42
1899	5.37
1900	5.31
1901	5.26
1902	5.21
1903	5.16
1904	5.1
1905	5.04
1906	4.99
1907	4.93
1908	4.86
1909	4.78
1910	4.71
1911	4.63
1912	4.56
1913	4.13
1914	3.7
1915	3.28
1916	2.85
1917	2.43
1918	3.03
1919	3.64
1920	4.25
1921	4.96
1922	4.67
1923	4.55
1924	4.25
1925	4.01
1926	3.98
1927	3.76
1928	3.69
1929	3.48
1930	3.49
1931	3.33
1932	3.29
1933	2.96
1934	2.86
1935	2.8
1936	2.79
1937	2.77
1938	2.8
1939	2.83
1940	2.87
1941	2.9
1942	2.93
1943	2.96
1944	3
1945	3.03
1946	3.11
1947	3.22
1948	3.26
1949	3.26
1950	3.59
1951	3.57
1952	3.53
1953	3.48
1954	3.43
1955	3.38
1956	3.33
1957	3.27
1958	3.21
1959	3.15
1960	3.09
1961	3.01
1962	2.94
1963	2.86
1964	2.78
1965	2.7
1966	2.64
1967	2.58
1968	2.54
1969	2.51
1970	2.5
1971	2.5
1972	2.5
1973	2.5
1974	2.5
1975	2.5
1976	2.48
1977	2.47
1978	2.44
1979	2.41
1980	2.37
1981	2.34
1982	2.3
1983	2.27
1984	2.25
1985	2.22
1986	2.2
1987	2.17
1988	2.13
1989	2.09
1990	2.04
1991	1.97
1992	1.89
1993	1.81
1994	1.72
1995	1.63
1996	1.53
1997	1.45
1998	1.38
1999	1.31
2000	1.27
2001	1.24
2002	1.23
2003	1.22
2004	1.23
2005	1.25
2006	1.27
2007	1.29
2008	1.32
2009	1.34
2010	1.36
2011	1.37
2012	1.38
2013	1.4
2014	1.41
2015	1.43
2016	1.44
2017	1.46
2018	1.47