Year	Total
1800	7.03
1801	7.03
1802	7.03
1803	7.03
1804	7.03
1805	7.03
1806	7.03
1807	7.03
1808	7.03
1809	7.03
1810	7.03
1811	7.02
1812	7.02
1813	7.02
1814	7.02
1815	7.02
1816	7.02
1817	7.02
1818	7.02
1819	7.02
1820	7.02
1821	7.02
1822	7.02
1823	7.02
1824	7.02
1825	7.02
1826	7.02
1827	7.02
1828	7.02
1829	7.02
1830	7.02
1831	7.02
1832	7.01
1833	7.01
1834	7.01
1835	7.01
1836	7.01
1837	7.01
1838	7.01
1839	7.01
1840	7.01
1841	7.01
1842	7.01
1843	7.01
1844	7.01
1845	7.01
1846	7.01
1847	7.01
1848	7.01
1849	7.01
1850	7.01
1851	7.01
1852	7.01
1853	7
1854	7
1855	7
1856	7
1857	7
1858	7
1859	7
1860	7
1861	7
1862	7
1863	7
1864	7
1865	7
1866	7
1867	7
1868	7
1869	7
1870	7
1871	7
1872	7
1873	6.99
1874	6.99
1875	6.99
1876	6.99
1877	6.99
1878	6.99
1879	6.99
1880	6.99
1881	6.99
1882	6.99
1883	6.99
1884	6.99
1885	6.99
1886	6.99
1887	6.99
1888	6.99
1889	6.99
1890	6.99
1891	6.99
1892	6.99
1893	6.99
1894	6.98
1895	6.98
1896	6.98
1897	6.98
1898	6.98
1899	6.98
1900	6.98
1901	6.98
1902	6.98
1903	6.98
1904	6.98
1905	6.98
1906	6.98
1907	6.98
1908	6.98
1909	6.98
1910	6.98
1911	6.98
1912	6.98
1913	6.98
1914	6.98
1915	6.97
1916	6.97
1917	6.97
1918	6.97
1919	6.97
1920	6.97
1921	6.97
1922	6.97
1923	6.97
1924	6.97
1925	6.97
1926	6.97
1927	6.97
1928	6.98
1929	6.98
1930	6.98
1931	6.98
1932	6.99
1933	6.99
1934	6.99
1935	6.99
1936	7
1937	7
1938	7
1939	7
1940	7.01
1941	7.01
1942	7.01
1943	7.01
1944	7.02
1945	7.02
1946	7.02
1947	7.02
1948	7.03
1949	7.03
1950	7.03
1951	7.01
1952	6.97
1953	6.95
1954	6.94
1955	6.94
1956	6.95
1957	6.97
1958	7.01
1959	7.05
1960	7.09
1961	7.13
1962	7.17
1963	7.19
1964	7.19
1965	7.17
1966	7.1
1967	7
1968	6.86
1969	6.69
1970	6.5
1971	6.29
1972	6.09
1973	5.9
1974	5.72
1975	5.56
1976	5.41
1977	5.28
1978	5.16
1979	5.04
1980	4.92
1981	4.8
1982	4.69
1983	4.58
1984	4.47
1985	4.36
1986	4.25
1987	4.13
1988	4
1989	3.87
1990	3.74
1991	3.6
1992	3.47
1993	3.34
1994	3.21
1995	3.1
1996	3.01
1997	2.93
1998	2.86
1999	2.81
2000	2.77
2001	2.72
2002	2.67
2003	2.6
2004	2.53
2005	2.45
2006	2.37
2007	2.29
2008	2.23
2009	2.18
2010	2.14
2011	2.12
2012	2.09
2013	2.08
2014	2.07
2015	2.05
2016	2.03
2017	2.01
2018	1.99