Year	Total
1800	5.51
1801	5.51
1802	5.51
1803	5.51
1804	5.51
1805	5.51
1806	5.51
1807	5.51
1808	5.51
1809	5.51
1810	5.51
1811	5.51
1812	5.51
1813	5.51
1814	5.51
1815	5.51
1816	5.51
1817	5.51
1818	5.51
1819	5.51
1820	5.51
1821	5.51
1822	5.51
1823	5.51
1824	5.51
1825	5.51
1826	5.51
1827	5.51
1828	5.51
1829	5.51
1830	5.51
1831	5.51
1832	5.51
1833	5.51
1834	5.51
1835	5.51
1836	5.51
1837	5.51
1838	5.51
1839	5.51
1840	5.51
1841	5.51
1842	5.51
1843	5.51
1844	5.51
1845	5.51
1846	5.51
1847	5.51
1848	5.51
1849	5.51
1850	5.51
1851	5.51
1852	5.51
1853	5.51
1854	5.51
1855	5.51
1856	5.51
1857	5.51
1858	5.51
1859	5.51
1860	5.51
1861	5.51
1862	5.51
1863	5.51
1864	5.51
1865	5.51
1866	5.51
1867	5.51
1868	5.51
1869	5.51
1870	5.51
1871	5.51
1872	5.51
1873	5.51
1874	5.51
1875	5.51
1876	5.51
1877	5.51
1878	5.51
1879	5.51
1880	5.51
1881	5.51
1882	5.51
1883	5.51
1884	5.51
1885	5.51
1886	5.51
1887	5.51
1888	5.51
1889	5.51
1890	5.51
1891	5.51
1892	5.51
1893	5.51
1894	5.51
1895	5.51
1896	5.51
1897	5.51
1898	5.51
1899	5.51
1900	5.51
1901	5.51
1902	5.51
1903	5.51
1904	5.51
1905	5.51
1906	5.51
1907	5.51
1908	5.51
1909	5.51
1910	5.51
1911	5.51
1912	5.51
1913	5.51
1914	5.51
1915	5.51
1916	5.51
1917	5.51
1918	5.51
1919	5.51
1920	5.51
1921	5.51
1922	5.51
1923	5.51
1924	5.51
1925	5.51
1926	5.44
1927	5.37
1928	5.3
1929	5.23
1930	5.16
1931	5.09
1932	5.02
1933	4.95
1934	4.89
1935	4.82
1936	4.76
1937	4.69
1938	4.63
1939	4.56
1940	4.5
1941	4.44
1942	4.37
1943	4.31
1944	4.25
1945	4.19
1946	4.13
1947	4.07
1948	4.01
1949	3.95
1950	3.89
1951	4.04
1952	4.31
1953	4.52
1954	4.68
1955	4.79
1956	4.87
1957	4.9
1958	4.9
1959	4.86
1960	4.77
1961	4.65
1962	4.46
1963	4.22
1964	3.93
1965	3.62
1966	3.28
1967	2.96
1968	2.66
1969	2.39
1970	2.17
1971	1.98
1972	1.82
1973	1.68
1974	1.56
1975	1.48
1976	1.44
1977	1.45
1978	1.5
1979	1.59
1980	1.71
1981	1.84
1982	1.95
1983	2.05
1984	2.1
1985	2.12
1986	2.09
1987	2.03
1988	1.94
1989	1.84
1990	1.72
1991	1.61
1992	1.5
1993	1.4
1994	1.31
1995	1.24
1996	1.18
1997	1.12
1998	1.06
1999	1
2000	0.94
2001	0.89
2002	0.85
2003	0.83
2004	0.83
2005	0.84
2006	0.87
2007	0.91
2008	0.96
2009	1.01
2010	1.06
2011	1.11
2012	1.16
2013	1.21
2014	1.25
2015	1.28
2016	1.31
2017	1.34
2018	1.36