Year	Total
1800	5.47
1801	5.47
1802	5.47
1803	5.47
1804	5.47
1805	5.47
1806	5.47
1807	5.47
1808	5.47
1809	5.47
1810	5.47
1811	5.47
1812	5.47
1813	5.47
1814	5.47
1815	5.47
1816	5.47
1817	5.47
1818	5.47
1819	5.47
1820	5.47
1821	5.47
1822	5.47
1823	5.47
1824	5.47
1825	5.47
1826	5.47
1827	5.47
1828	5.47
1829	5.47
1830	5.47
1831	5.47
1832	5.47
1833	5.47
1834	5.47
1835	5.47
1836	5.47
1837	5.47
1838	5.47
1839	5.47
1840	5.47
1841	5.47
1842	5.47
1843	5.47
1844	5.47
1845	5.47
1846	5.47
1847	5.47
1848	5.47
1849	5.47
1850	5.47
1851	5.47
1852	5.47
1853	5.47
1854	5.47
1855	5.47
1856	5.47
1857	5.47
1858	5.47
1859	5.47
1860	5.47
1861	5.47
1862	5.47
1863	5.47
1864	5.47
1865	5.47
1866	5.47
1867	5.47
1868	5.47
1869	5.47
1870	5.47
1871	5.47
1872	5.47
1873	5.47
1874	5.47
1875	5.47
1876	5.47
1877	5.47
1878	5.47
1879	5.47
1880	5.47
1881	5.47
1882	5.47
1883	5.47
1884	5.47
1885	5.47
1886	5.47
1887	5.47
1888	5.47
1889	5.47
1890	5.47
1891	5.47
1892	5.47
1893	5.47
1894	5.47
1895	5.47
1896	5.47
1897	5.47
1898	5.47
1899	5.47
1900	5.47
1901	5.47
1902	5.47
1903	5.47
1904	5.47
1905	5.47
1906	5.47
1907	5.47
1908	5.47
1909	5.47
1910	5.47
1911	5.47
1912	5.47
1913	5.47
1914	5.47
1915	5.47
1916	5.47
1917	5.47
1918	5.47
1919	5.47
1920	5.47
1921	5.47
1922	5.47
1923	5.47
1924	5.47
1925	5.47
1926	5.43
1927	5.39
1928	5.35
1929	5.32
1930	5.28
1931	5.24
1932	5.2
1933	5.16
1934	5.12
1935	5.08
1936	5.04
1937	5
1938	4.96
1939	4.92
1940	4.88
1941	4.84
1942	4.8
1943	4.76
1944	4.72
1945	4.68
1946	4.63
1947	4.59
1948	4.55
1949	4.51
1950	4.47
1951	4.44
1952	4.41
1953	4.42
1954	4.46
1955	4.54
1956	4.64
1957	4.75
1958	4.86
1959	4.96
1960	5.01
1961	5.03
1962	4.98
1963	4.86
1964	4.67
1965	4.42
1966	4.15
1967	3.89
1968	3.65
1969	3.45
1970	3.28
1971	3.15
1972	3.02
1973	2.89
1974	2.75
1975	2.61
1976	2.46
1977	2.31
1978	2.18
1979	2.05
1980	1.94
1981	1.84
1982	1.75
1983	1.66
1984	1.58
1985	1.5
1986	1.44
1987	1.39
1988	1.35
1989	1.32
1990	1.3
1991	1.27
1992	1.25
1993	1.23
1994	1.2
1995	1.16
1996	1.12
1997	1.08
1998	1.04
1999	1.01
2000	0.98
2001	0.97
2002	0.96
2003	0.95
2004	0.96
2005	0.97
2006	0.99
2007	1.02
2008	1.05
2009	1.08
2010	1.12
2011	1.15
2012	1.18
2013	1.22
2014	1.24
2015	1.27
2016	1.3
2017	1.32
2018	1.34