Year	Years
1800	32
1801	32
1802	32
1803	32
1804	32
1805	32
1806	32
1807	32
1808	32
1809	32
1810	32
1811	32
1812	32
1813	32
1814	32
1815	32
1816	32
1817	32
1818	32
1819	32
1820	32
1821	32
1822	32
1823	32
1824	32
1825	32
1826	32
1827	32
1828	32
1829	32
1830	32
1831	32
1832	32
1833	32
1834	32
1835	32
1836	32
1837	32
1838	32
1839	32
1840	32
1841	32
1842	32
1843	32
1844	32
1845	32
1846	32
1847	32
1848	32
1849	32
1850	32
1851	32
1852	32
1853	32
1854	32
1855	32
1856	32
1857	32
1858	32
1859	32
1860	32
1861	32
1862	32
1863	32
1864	32
1865	32
1866	32
1867	32
1868	32
1869	32
1870	32
1871	32.03
1872	32.07
1873	32.1
1874	32.13
1875	32.17
1876	32.2
1877	32.23
1878	32.27
1879	32.3
1880	32.33
1881	32.36
1882	32.4
1883	32.43
1884	32.46
1885	32.5
1886	32.53
1887	32.56
1888	32.6
1889	32.63
1890	32.66
1891	32.7
1892	32.73
1893	32.76
1894	32.8
1895	32.83
1896	32.86
1897	32.9
1898	32.93
1899	32.96
1900	32.99
1901	33.03
1902	33.06
1903	33.09
1904	33.13
1905	33.16
1906	33.19
1907	33.23
1908	33.26
1909	33.29
1910	33.33
1911	33.36
1912	33.39
1913	33.43
1914	33.46
1915	33.49
1916	33.53
1917	33.56
1918	13
1919	33.62
1920	33.66
1921	33.69
1922	33.72
1923	33.76
1924	33.79
1925	33.82
1926	33.86
1927	33.89
1928	33.92
1929	33.96
1930	33.99
1931	34.02
1932	34.06
1933	34.09
1934	34.12
1935	34.16
1936	34.19
1937	34.22
1938	34.25
1939	34.29
1940	34.32
1941	34.35
1942	34.39
1943	34.42
1944	34.45
1945	34.49
1946	35.7
1947	36.91
1948	38.12
1949	39.34
1950	40.55
1951	40.89
1952	41.53
1953	42.2
1954	42.91
1955	43.63
1956	44.38
1957	45.15
1958	45.94
1959	46.75
1960	47.55
1961	48.33
1962	49.11
1963	49.85
1964	50.57
1965	51.24
1966	51.87
1967	52.48
1968	53.08
1969	53.65
1970	54.22
1971	54.49
1972	54.8
1973	55
1974	55.28
1975	54.76
1976	55.12
1977	55.47
1978	55.76
1979	56.83
1980	57.16
1981	57.51
1982	57.81
1983	58.1
1984	58.35
1985	58.62
1986	59.27
1987	59.61
1988	60.25
1989	59.99
1990	59.96
1991	60.63
1992	60.89
1993	61.17
1994	61.21
1995	61.62
1996	61.77
1997	62.33
1998	62.7
1999	63.24
2000	63.7
2001	64.03
2002	64.55
2003	65
2004	65.35
2005	65.69
2006	66.41
2007	66.91
2008	67.38
2009	67.79
2010	68.23
2011	68.61
2012	68.96
2013	69.28
2014	69.64
2015	69.95
2016	70.25
2017	70.41
2018	70.57