Year	Years
1800	31.16
1801	31.16
1802	31.16
1803	31.16
1804	31.16
1805	31.16
1806	31.16
1807	31.16
1808	31.16
1809	31.16
1810	31.16
1811	31.16
1812	31.16
1813	31.16
1814	31.16
1815	31.16
1816	31.16
1817	31.16
1818	31.16
1819	31.16
1820	31.16
1821	31.16
1822	31.16
1823	31.16
1824	31.16
1825	31.16
1826	31.16
1827	31.16
1828	31.16
1829	31.16
1830	31.16
1831	31.16
1832	31.16
1833	31.16
1834	31.16
1835	31.16
1836	31.16
1837	31.16
1838	31.16
1839	31.16
1840	31.16
1841	31.16
1842	31.16
1843	31.16
1844	31.16
1845	31.16
1846	31.16
1847	31.16
1848	31.16
1849	31.16
1850	31.16
1851	31.16
1852	31.16
1853	31.16
1854	31.16
1855	31.16
1856	31.16
1857	31.16
1858	31.16
1859	31.16
1860	31.16
1861	31.16
1862	31.16
1863	31.16
1864	31.16
1865	31.16
1866	31.16
1867	31.16
1868	31.16
1869	31.16
1870	31.16
1871	31.21
1872	31.26
1873	31.32
1874	31.37
1875	31.42
1876	31.47
1877	31.53
1878	31.58
1879	31.63
1880	31.68
1881	31.73
1882	31.79
1883	31.84
1884	31.89
1885	31.94
1886	31.99
1887	32.05
1888	32.1
1889	32.15
1890	32.2
1891	32.26
1892	32.31
1893	32.36
1894	32.41
1895	32.46
1896	32.52
1897	32.57
1898	32.62
1899	32.67
1900	32.72
1901	32.78
1902	32.83
1903	32.88
1904	32.93
1905	32.99
1906	33.04
1907	33.09
1908	33.14
1909	33.19
1910	33.25
1911	33.3
1912	33.35
1913	33.4
1914	33.46
1915	33.51
1916	33.56
1917	33.61
1918	13.02
1919	33.72
1920	33.77
1921	33.82
1922	33.87
1923	33.92
1924	33.98
1925	34.03
1926	34.08
1927	34.13
1928	34.19
1929	34.24
1930	34.29
1931	34.34
1932	34.39
1933	34.45
1934	34.5
1935	34.55
1936	34.6
1937	34.66
1938	34.71
1939	34.76
1940	34.81
1941	34.86
1942	34.92
1943	34.97
1944	35.02
1945	35.07
1946	35.12
1947	35.18
1948	35.23
1949	35.28
1950	35.33
1951	35.64
1952	36.23
1953	36.87
1954	37.55
1955	38.28
1956	39.04
1957	39.86
1958	40.7
1959	41.56
1960	42.43
1961	43.28
1962	44.11
1963	44.92
1964	45.7
1965	46.48
1966	47.29
1967	48.13
1968	49.03
1969	50
1970	51
1971	51.58
1972	52.11
1973	52.62
1974	53.13
1975	53.59
1976	54.13
1977	54.6
1978	55.17
1979	55.61
1980	56.09
1981	56.36
1982	56.39
1983	56.43
1984	56.38
1985	56.47
1986	56.44
1987	56.13
1988	55.73
1989	55.36
1990	55.03
1991	54.77
1992	54.37
1993	53.8
1994	53.41
1995	52.89
1996	52.79
1997	52.84
1998	52.77
1999	52.69
2000	52.65
2001	52.66
2002	52.9
2003	53.09
2004	53.31
2005	53.66
2006	54.06
2007	54.62
2008	55.17
2009	55.75
2010	56.34
2011	56.93
2012	57.36
2013	58.09
2014	58.62
2015	59.22
2016	60
2017	60.59
2018	61.16