Year	Years
1800	30.15
1801	30.15
1802	30.15
1803	30.15
1804	30.15
1805	30.15
1806	30.15
1807	30.15
1808	30.15
1809	30.15
1810	30.15
1811	30.15
1812	30.15
1813	30.15
1814	30.15
1815	30.15
1816	30.15
1817	30.15
1818	30.15
1819	30.15
1820	30.15
1821	30.15
1822	30.15
1823	30.15
1824	30.15
1825	30.15
1826	30.15
1827	30.15
1828	30.15
1829	30.15
1830	30.15
1831	30.15
1832	30.15
1833	30.15
1834	30.15
1835	30.15
1836	30.15
1837	30.15
1838	30.15
1839	30.15
1840	30.15
1841	30.15
1842	30.15
1843	30.15
1844	30.15
1845	30.15
1846	30.15
1847	30.15
1848	30.15
1849	30.15
1850	30.15
1851	30.15
1852	30.15
1853	30.15
1854	30.15
1855	30.15
1856	30.15
1857	30.15
1858	30.15
1859	30.15
1860	30.15
1861	30.15
1862	30.15
1863	30.15
1864	30.15
1865	30.15
1866	30.15
1867	30.15
1868	30.15
1869	30.15
1870	30.15
1871	30.15
1872	30.15
1873	30.15
1874	30.15
1875	30.15
1876	30.15
1877	30.15
1878	30.15
1879	30.15
1880	30.15
1881	30.15
1882	30.15
1883	30.15
1884	30.15
1885	30.15
1886	30.15
1887	30.15
1888	30.15
1889	30.15
1890	30.15
1891	30.15
1892	30.15
1893	30.15
1894	30.15
1895	30.15
1896	30.15
1897	30.15
1898	30.15
1899	30.15
1900	30.15
1901	30.15
1902	30.15
1903	30.15
1904	30.15
1905	30.15
1906	30.15
1907	30.15
1908	30.15
1909	30.15
1910	30.15
1911	30.15
1912	30.15
1913	30.15
1914	30.15
1915	30.15
1916	30.15
1917	30.15
1918	19.56
1919	30.15
1920	30.15
1921	30.15
1922	30.98
1923	31.81
1924	32.64
1925	33.46
1926	34.29
1927	35.12
1928	35.95
1929	36.77
1930	37.6
1931	38.43
1932	39.26
1933	40.08
1934	40.91
1935	41.74
1936	42.57
1937	43.39
1938	44.22
1939	45.05
1940	45.88
1941	46.7
1942	47.53
1943	48.36
1944	49.19
1945	50.02
1946	50.84
1947	51.67
1948	52.5
1949	53.33
1950	54.15
1951	54.51
1952	55.23
1953	55.93
1954	56.61
1955	57.28
1956	57.93
1957	58.57
1958	59.2
1959	59.81
1960	60.41
1961	61
1962	61.58
1963	62.16
1964	62.72
1965	63.28
1966	63.84
1967	64.39
1968	64.93
1969	65.46
1970	65.99
1971	66.51
1972	67.02
1973	67.53
1974	68.02
1975	68.51
1976	69
1977	69.47
1978	69.93
1979	70.38
1980	70.82
1981	71.25
1982	71.68
1983	72.09
1984	72.5
1985	72.9
1986	73.29
1987	73.67
1988	74.05
1989	74.42
1990	74.79
1991	75.15
1992	75.51
1993	75.86
1994	76.2
1995	76.54
1996	76.88
1997	77.22
1998	77.55
1999	77.88
2000	78.19
2001	78.5
2002	78.78
2003	79.05
2004	79.31
2005	79.55
2006	79.78
2007	80.01
2008	80.24
2009	80.48
2010	80.71
2011	80.95
2012	81.18
2013	81.41
2014	81.64
2015	81.86
2016	82.08
2017	82.3
2018	82.51