Year	Total
1800	6.03
1801	6.03
1802	6.03
1803	6.03
1804	6.03
1805	6.03
1806	6.03
1807	6.03
1808	6.03
1809	6.03
1810	6.03
1811	6.03
1812	6.03
1813	6.03
1814	6.03
1815	6.03
1816	6.03
1817	6.03
1818	6.03
1819	6.03
1820	6.03
1821	6.03
1822	6.03
1823	6.03
1824	6.03
1825	6.03
1826	6.03
1827	6.03
1828	6.03
1829	6.03
1830	6.03
1831	6.03
1832	6.03
1833	6.03
1834	6.03
1835	6.03
1836	6.03
1837	6.03
1838	6.03
1839	6.03
1840	6.03
1841	6.03
1842	6.03
1843	6.03
1844	6.03
1845	6.03
1846	6.03
1847	6.03
1848	6.03
1849	6.03
1850	6.03
1851	5.81
1852	5.59
1853	5.36
1854	5.14
1855	4.92
1856	4.7
1857	4.47
1858	4.25
1859	4.03
1860	3.81
1861	3.95
1862	3.87
1863	3.78
1864	3.94
1865	3.73
1866	4.03
1867	3.83
1868	3.85
1869	3.86
1870	3.77
1871	3.81
1872	3.83
1873	3.7
1874	3.91
1875	3.78
1876	3.97
1877	3.82
1878	3.64
1879	3.32
1880	3.27
1881	3.28
1882	3.38
1883	3.35
1884	3.83
1885	3.82
1886	4.01
1887	4.19
1888	4.38
1889	4.57
1890	4.73
1891	4.8
1892	4.88
1893	4.95
1894	5.03
1895	5.1
1896	5.18
1897	5.25
1898	5.32
1899	5.4
1900	5.47
1901	5.35
1902	5.22
1903	5.1
1904	4.97
1905	4.85
1906	4.72
1907	4.6
1908	4.47
1909	4.35
1910	4.22
1911	4.09
1912	3.97
1913	3.84
1914	3.72
1915	3.59
1916	3.47
1917	3.34
1918	3.22
1919	3.09
1920	2.97
1921	2.84
1922	2.88
1923	2.55
1924	2.61
1925	3.52
1926	4.02
1927	3.86
1928	4.09
1929	3.87
1930	4.19
1931	3.83
1932	3.8
1933	3.84
1934	4.17
1935	3.78
1936	3.69
1937	3.52
1938	3.49
1939	3.34
1940	3.32
1941	3.22
1942	3.13
1943	3.03
1944	2.93
1945	2.84
1946	2.74
1947	2.65
1948	2.55
1949	2.46
1950	2.36
1951	2.38
1952	2.4
1953	2.41
1954	2.41
1955	2.41
1956	2.4
1957	2.39
1958	2.37
1959	2.35
1960	2.33
1961	2.32
1962	2.32
1963	2.34
1964	2.37
1965	2.41
1966	2.46
1967	2.51
1968	2.54
1969	2.56
1970	2.57
1971	2.57
1972	2.55
1973	2.54
1974	2.52
1975	2.5
1976	2.47
1977	2.44
1978	2.39
1979	2.34
1980	2.27
1981	2.19
1982	2.1
1983	2
1984	1.9
1985	1.81
1986	1.71
1987	1.63
1988	1.57
1989	1.51
1990	1.47
1991	1.44
1992	1.42
1993	1.4
1994	1.38
1995	1.37
1996	1.36
1997	1.35
1998	1.33
1999	1.33
2000	1.32
2001	1.33
2002	1.34
2003	1.36
2004	1.38
2005	1.4
2006	1.42
2007	1.44
2008	1.44
2009	1.43
2010	1.41
2011	1.39
2012	1.37
2013	1.35
2014	1.33
2015	1.31
2016	1.31
2017	1.3
2018	1.3
