Year	Total
1800	4.88
1801	4.88
1802	4.88
1803	4.88
1804	4.88
1805	4.88
1806	4.88
1807	4.88
1808	4.88
1809	4.88
1810	4.88
1811	4.88
1812	4.88
1813	4.88
1814	4.88
1815	4.88
1816	4.88
1817	4.88
1818	4.88
1819	4.88
1820	4.88
1821	4.88
1822	4.88
1823	4.88
1824	4.88
1825	4.88
1826	4.88
1827	4.88
1828	4.88
1829	4.88
1830	4.88
1831	4.88
1832	4.88
1833	4.88
1834	4.88
1835	4.88
1836	4.88
1837	4.88
1838	4.88
1839	4.88
1840	4.88
1841	4.88
1842	4.88
1843	4.88
1844	4.88
1845	4.88
1846	4.88
1847	4.88
1848	4.88
1849	4.88
1850	4.88
1851	4.87
1852	4.86
1853	4.85
1854	4.85
1855	4.84
1856	4.83
1857	4.82
1858	4.82
1859	4.81
1860	4.8
1861	4.74
1862	4.68
1863	4.62
1864	4.56
1865	4.5
1866	4.44
1867	4.38
1868	4.32
1869	4.26
1870	4.2
1871	4.16
1872	4.13
1873	4.09
1874	4.05
1875	4.01
1876	3.97
1877	3.93
1878	3.89
1879	3.85
1880	3.81
1881	3.81
1882	3.82
1883	3.82
1884	3.83
1885	3.83
1886	3.84
1887	3.84
1888	3.85
1889	3.85
1890	3.86
1891	3.88
1892	3.9
1893	3.92
1894	3.94
1895	3.97
1896	3.99
1897	4.01
1898	4.03
1899	4.06
1900	4.08
1901	4.1
1902	4.09
1903	4.07
1904	4.06
1905	4.04
1906	4.03
1907	4.01
1908	4
1909	3.85
1910	3.69
1911	3.8
1912	3.9
1913	4
1914	3.98
1915	3.96
1916	3.94
1917	3.92
1918	3.9
1919	3.89
1920	3.87
1921	3.86
1922	3.67
1923	3.72
1924	3.6
1925	3.54
1926	3.66
1927	3.55
1928	3.32
1929	3.38
1930	3.49
1931	3.49
1932	3.33
1933	3.09
1934	3.14
1935	3.05
1936	3.03
1937	2.8
1938	2.76
1939	2.68
1940	2.79
1941	2.91
1942	3.24
1943	3.33
1944	3.36
1945	3.53
1946	3.46
1947	3.63
1948	3.75
1949	3.76
1950	3.62
1951	3.69
1952	3.82
1953	3.93
1954	4.02
1955	4.1
1956	4.15
1957	4.18
1958	4.19
1959	4.17
1960	4.13
1961	4.07
1962	3.98
1963	3.86
1964	3.74
1965	3.6
1966	3.46
1967	3.34
1968	3.22
1969	3.12
1970	3.03
1971	2.95
1972	2.88
1973	2.8
1974	2.73
1975	2.65
1976	2.57
1977	2.49
1978	2.42
1979	2.36
1980	2.31
1981	2.27
1982	2.23
1983	2.2
1984	2.17
1985	2.15
1986	2.14
1987	2.13
1988	2.14
1989	2.15
1990	2.16
1991	2.17
1992	2.17
1993	2.17
1994	2.15
1995	2.13
1996	2.1
1997	2.07
1998	2.05
1999	2.02
2000	2.01
2001	2
2002	2.01
2003	2.02
2004	2.04
2005	2.07
2006	2.09
2007	2.1
2008	2.1
2009	2.09
2010	2.07
2011	2.04
2012	2.01
2013	1.99
2014	1.96
2015	1.95
2016	1.93
2017	1.92
2018	1.91