Year	Total
1800	5.68
1801	5.68
1802	5.68
1803	5.68
1804	5.68
1805	5.68
1806	5.68
1807	5.68
1808	5.68
1809	5.68
1810	5.68
1811	5.68
1812	5.68
1813	5.68
1814	5.68
1815	5.68
1816	5.68
1817	5.68
1818	5.68
1819	5.68
1820	5.68
1821	5.68
1822	5.68
1823	5.68
1824	5.68
1825	5.68
1826	5.68
1827	5.68
1828	5.68
1829	5.68
1830	5.68
1831	5.68
1832	5.68
1833	5.68
1834	5.68
1835	5.68
1836	5.68
1837	5.68
1838	5.68
1839	5.68
1840	5.68
1841	5.68
1842	5.68
1843	5.68
1844	5.68
1845	5.68
1846	5.68
1847	5.68
1848	5.68
1849	5.68
1850	5.68
1851	5.68
1852	5.68
1853	5.68
1854	5.68
1855	5.68
1856	5.68
1857	5.68
1858	5.68
1859	5.68
1860	5.68
1861	5.68
1862	5.68
1863	5.68
1864	5.68
1865	5.68
1866	5.68
1867	5.68
1868	5.68
1869	5.68
1870	5.68
1871	5.68
1872	5.68
1873	5.68
1874	5.68
1875	5.68
1876	5.68
1877	5.68
1878	5.68
1879	5.68
1880	5.68
1881	5.68
1882	5.49
1883	5.94
1884	6.17
1885	5.46
1886	5.16
1887	6.1
1888	5.89
1889	5.03
1890	5.78
1891	5.69
1892	5.31
1893	5.37
1894	5.52
1895	5.19
1896	5.12
1897	5.94
1898	6.02
1899	4.92
1900	5.79
1901	5.48
1902	5.5
1903	5.59
1904	5.26
1905	4.36
1906	5.55
1907	5.11
1908	6.23
1909	5.7
1910	5.93
1911	5.76
1912	5.05
1913	5.85
1914	5.76
1915	5.67
1916	6.06
1917	6.29
1918	6.23
1919	5.46
1920	5.55
1921	6.17
1922	5.94
1923	5.88
1924	5.7
1925	6.06
1926	6.38
1927	6.23
1928	6.37
1929	5.82
1930	5.93
1931	5.68
1932	5.62
1933	5.86
1934	5.65
1935	5.22
1936	5.17
1937	5.72
1938	5.43
1939	5.44
1940	5.4
1941	5.5
1942	5.52
1943	6.09
1944	5.56
1945	5.49
1946	5.73
1947	5.86
1948	5.89
1949	5.79
1950	5.86
1951	5.87
1952	5.84
1953	5.86
1954	5.89
1955	5.9
1956	5.88
1957	5.83
1958	5.75
1959	5.65
1960	5.54
1961	5.42
1962	5.3
1963	5.18
1964	5.07
1965	4.96
1966	4.85
1967	4.73
1968	4.61
1969	4.48
1970	4.34
1971	4.21
1972	4.08
1973	3.97
1974	3.87
1975	3.78
1976	3.71
1977	3.63
1978	3.56
1979	3.49
1980	3.41
1981	3.32
1982	3.22
1983	3.12
1984	3.01
1985	2.9
1986	2.8
1987	2.7
1988	2.62
1989	2.54
1990	2.48
1991	2.43
1992	2.39
1993	2.35
1994	2.32
1995	2.29
1996	2.27
1997	2.25
1998	2.24
1999	2.24
2000	2.24
2001	2.25
2002	2.26
2003	2.27
2004	2.28
2005	2.28
2006	2.28
2007	2.27
2008	2.26
2009	2.23
2010	2.2
2011	2.17
2012	2.14
2013	2.11
2014	2.08
2015	2.06
2016	2.05
2017	2.03
2018	2.02