Year	Total
1800	5.98
1801	5.98
1802	5.98
1803	5.98
1804	5.98
1805	5.98
1806	5.98
1807	5.98
1808	5.98
1809	5.98
1810	5.98
1811	5.98
1812	5.98
1813	5.98
1814	5.98
1815	5.98
1816	5.98
1817	5.98
1818	5.98
1819	5.98
1820	5.98
1821	5.98
1822	5.98
1823	5.98
1824	5.98
1825	5.98
1826	5.98
1827	5.98
1828	5.98
1829	5.98
1830	5.98
1831	5.98
1832	5.98
1833	5.98
1834	5.98
1835	5.98
1836	5.98
1837	5.98
1838	5.98
1839	5.98
1840	5.98
1841	5.98
1842	5.98
1843	5.98
1844	5.98
1845	5.98
1846	5.98
1847	5.98
1848	5.98
1849	5.98
1850	5.98
1851	5.98
1852	5.98
1853	5.98
1854	5.98
1855	5.98
1856	5.98
1857	5.98
1858	5.98
1859	5.98
1860	5.98
1861	5.98
1862	5.98
1863	5.98
1864	5.98
1865	5.98
1866	5.98
1867	5.98
1868	5.98
1869	5.98
1870	5.98
1871	5.98
1872	5.98
1873	5.98
1874	5.98
1875	5.98
1876	5.98
1877	5.98
1878	5.98
1879	5.98
1880	5.98
1881	5.98
1882	5.98
1883	5.98
1884	5.98
1885	5.98
1886	5.98
1887	5.98
1888	5.98
1889	5.98
1890	5.98
1891	5.98
1892	5.98
1893	5.98
1894	5.98
1895	5.98
1896	5.98
1897	5.98
1898	5.98
1899	5.98
1900	5.98
1901	5.98
1902	5.98
1903	5.98
1904	5.98
1905	5.98
1906	5.98
1907	5.98
1908	5.98
1909	5.98
1910	5.98
1911	5.98
1912	5.98
1913	5.98
1914	5.98
1915	5.98
1916	5.98
1917	5.98
1918	5.98
1919	5.98
1920	5.98
1921	5.98
1922	5.98
1923	5.98
1924	5.98
1925	5.98
1926	5.96
1927	5.95
1928	5.93
1929	5.92
1930	5.9
1931	5.89
1932	5.87
1933	5.86
1934	5.84
1935	5.83
1936	5.81
1937	5.8
1938	5.78
1939	5.76
1940	5.75
1941	5.73
1942	5.72
1943	5.7
1944	5.69
1945	5.67
1946	5.66
1947	5.64
1948	5.63
1949	5.61
1950	5.6
1951	5.72
1952	5.94
1953	6.15
1954	6.34
1955	6.5
1956	6.64
1957	6.76
1958	6.87
1959	6.95
1960	7.02
1961	7.08
1962	7.12
1963	7.15
1964	7.18
1965	7.2
1966	7.22
1967	7.23
1968	7.24
1969	7.24
1970	7.23
1971	7.2
1972	7.16
1973	7.1
1974	7.04
1975	6.98
1976	6.94
1977	6.94
1978	6.96
1979	7.01
1980	7.08
1981	7.15
1982	7.2
1983	7.22
1984	7.19
1985	7.11
1986	6.97
1987	6.78
1988	6.55
1989	6.29
1990	5.99
1991	5.67
1992	5.34
1993	4.99
1994	4.64
1995	4.3
1996	3.98
1997	3.67
1998	3.4
1999	3.16
2000	2.94
2001	2.77
2002	2.63
2003	2.51
2004	2.42
2005	2.34
2006	2.29
2007	2.26
2008	2.24
2009	2.24
2010	2.23
2011	2.22
2012	2.21
2013	2.19
2014	2.17
2015	2.13
2016	2.09
2017	2.05
2018	2.01