Year	Total
1800	5.83
1801	5.83
1802	5.83
1803	5.83
1804	5.83
1805	5.83
1806	5.83
1807	5.83
1808	5.83
1809	5.83
1810	5.83
1811	5.83
1812	5.83
1813	5.83
1814	5.83
1815	5.83
1816	5.83
1817	5.83
1818	5.83
1819	5.83
1820	5.83
1821	5.83
1822	5.83
1823	5.83
1824	5.83
1825	5.83
1826	5.83
1827	5.83
1828	5.83
1829	5.83
1830	5.83
1831	5.83
1832	5.83
1833	5.83
1834	5.83
1835	5.83
1836	5.83
1837	5.83
1838	5.83
1839	5.83
1840	5.83
1841	5.83
1842	5.83
1843	5.83
1844	5.83
1845	5.83
1846	5.83
1847	5.83
1848	5.83
1849	5.83
1850	5.83
1851	5.83
1852	5.83
1853	5.83
1854	5.83
1855	5.83
1856	5.83
1857	5.83
1858	5.83
1859	5.83
1860	5.83
1861	5.83
1862	5.83
1863	5.83
1864	5.83
1865	5.83
1866	5.83
1867	5.83
1868	5.83
1869	5.83
1870	5.83
1871	5.83
1872	5.83
1873	5.83
1874	5.83
1875	5.83
1876	5.82
1877	5.81
1878	5.81
1879	5.8
1880	5.79
1881	5.78
1882	5.78
1883	5.77
1884	5.76
1885	5.75
1886	5.75
1887	5.74
1888	5.73
1889	5.72
1890	5.72
1891	5.71
1892	5.7
1893	5.69
1894	5.69
1895	5.68
1896	5.67
1897	5.66
1898	5.66
1899	5.65
1900	5.64
1901	5.63
1902	5.63
1903	5.62
1904	5.61
1905	5.6
1906	5.6
1907	5.67
1908	5.54
1909	5.83
1910	5.99
1911	6.06
1912	5.99
1913	5.92
1914	6
1915	5.8
1916	5.41
1917	5.93
1918	5.76
1919	5.58
1920	5.73
1921	6.21
1922	6.06
1923	5.67
1924	6
1925	5.92
1926	6.34
1927	6.26
1928	6.34
1929	6.38
1930	6.5
1931	6.64
1932	6.38
1933	6.42
1934	6.47
1935	6.51
1936	6.31
1937	6.5
1938	6.25
1939	6.34
1940	6.24
1941	5.96
1942	5.84
1943	5.8
1944	5.74
1945	5.68
1946	5.62
1947	5.55
1948	5.8
1949	6.05
1950	6.29
1951	6.34
1952	6.38
1953	6.42
1954	6.47
1955	6.49
1956	6.51
1957	6.33
1958	6.14
1959	5.96
1960	5.77
1961	5.59
1962	5.44
1963	5.28
1964	5.13
1965	4.97
1966	4.82
1967	4.6
1968	4.38
1969	4.15
1970	3.93
1971	3.71
1972	3.59
1973	3.46
1974	3.34
1975	3.21
1976	3.09
1977	2.9
1978	2.72
1979	2.67
1980	2.52
1981	2.46
1982	2.32
1983	2.17
1984	2.06
1985	1.88
1986	1.68
1987	1.7
1988	1.86
1989	1.68
1990	1.81
1991	1.72
1992	1.73
1993	1.76
1994	1.76
1995	1.78
1996	1.76
1997	1.77
1998	1.47
1999	1.56
2000	1.68
2001	1.4
2002	1.34
2003	1.24
2004	1.18
2005	1.12
2006	1.12
2007	1.1
2008	1.05
2009	1.03
2010	0.9
2011	1.07
2012	1.27
2013	1.07
2014	1.15
2015	1.17
2016	1.19
2017	1.21
2018	1.22