Year	Total
1800	6.34
1801	6.34
1802	6.34
1803	6.34
1804	6.34
1805	6.34
1806	6.34
1807	6.34
1808	6.34
1809	6.34
1810	6.34
1811	6.34
1812	6.34
1813	6.34
1814	6.34
1815	6.34
1816	6.34
1817	6.34
1818	6.34
1819	6.34
1820	6.34
1821	6.34
1822	6.34
1823	6.34
1824	6.34
1825	6.34
1826	6.34
1827	6.34
1828	6.34
1829	6.34
1830	6.34
1831	6.34
1832	6.34
1833	6.34
1834	6.34
1835	6.34
1836	6.34
1837	6.34
1838	6.34
1839	6.34
1840	6.34
1841	6.34
1842	6.34
1843	6.34
1844	6.34
1845	6.34
1846	6.34
1847	6.34
1848	6.34
1849	6.34
1850	6.34
1851	6.34
1852	6.34
1853	6.34
1854	6.34
1855	6.34
1856	6.34
1857	6.34
1858	6.34
1859	6.34
1860	6.34
1861	6.34
1862	6.34
1863	6.34
1864	6.34
1865	6.34
1866	6.34
1867	6.34
1868	6.34
1869	6.34
1870	6.34
1871	6.34
1872	6.34
1873	6.34
1874	6.34
1875	6.34
1876	6.34
1877	6.34
1878	6.34
1879	6.34
1880	6.34
1881	6.34
1882	6.34
1883	6.34
1884	6.34
1885	6.34
1886	6.34
1887	6.34
1888	6.34
1889	6.34
1890	6.34
1891	6.34
1892	6.34
1893	6.34
1894	6.34
1895	6.34
1896	6.34
1897	6.34
1898	6.34
1899	6.34
1900	6.34
1901	6.34
1902	6.34
1903	6.34
1904	6.34
1905	6.34
1906	6.34
1907	6.34
1908	6.34
1909	6.34
1910	6.34
1911	6.34
1912	6.34
1913	6.34
1914	6.34
1915	6.34
1916	6.34
1917	6.34
1918	6.34
1919	6.34
1920	6.34
1921	6.34
1922	6.34
1923	6.34
1924	6.34
1925	6.34
1926	6.34
1927	6.34
1928	6.34
1929	6.34
1930	6.34
1931	6.34
1932	6.34
1933	6.34
1934	6.34
1935	6.34
1936	6.34
1937	6.34
1938	6.34
1939	6.34
1940	6.34
1941	6.34
1942	6.34
1943	6.34
1944	6.34
1945	6.34
1946	6.34
1947	6.34
1948	6.34
1949	6.34
1950	6.34
1951	6.33
1952	6.33
1953	6.33
1954	6.34
1955	6.36
1956	6.38
1957	6.4
1958	6.44
1959	6.48
1960	6.52
1961	6.57
1962	6.62
1963	6.68
1964	6.73
1965	6.79
1966	6.85
1967	6.91
1968	6.97
1969	7.03
1970	7.08
1971	7.14
1972	7.18
1973	7.22
1974	7.25
1975	7.28
1976	7.29
1977	7.28
1978	7.27
1979	7.25
1980	7.21
1981	7.16
1982	7.1
1983	7.03
1984	6.95
1985	6.87
1986	6.78
1987	6.67
1988	6.56
1989	6.44
1990	6.32
1991	6.2
1992	6.08
1993	5.97
1994	5.86
1995	5.76
1996	5.67
1997	5.59
1998	5.52
1999	5.46
2000	5.41
2001	5.36
2002	5.32
2003	5.28
2004	5.23
2005	5.18
2006	5.12
2007	5.06
2008	5
2009	4.94
2010	4.87
2011	4.8
2012	4.73
2013	4.66
2014	4.59
2015	4.52
2016	4.45
2017	4.38
2018	4.32