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	32.05
1873	32.08
1874	32.11
1875	32.13
1876	32.16
1877	32.19
1878	32.21
1879	32.24
1880	32.27
1881	32.29
1882	32.32
1883	32.35
1884	32.37
1885	32.4
1886	32.43
1887	32.45
1888	32.48
1889	32.51
1890	32.53
1891	32.56
1892	32.59
1893	32.61
1894	32.64
1895	32.67
1896	32.69
1897	32.72
1898	32.74
1899	32.77
1900	32.8
1901	32.82
1902	32.85
1903	32.88
1904	32.9
1905	32.93
1906	32.96
1907	32.98
1908	33.01
1909	33.04
1910	33.06
1911	33.09
1912	33.12
1913	33.14
1914	33.17
1915	33.2
1916	33.22
1917	33.25
1918	29.41
1919	33.3
1920	33.33
1921	33.36
1922	33.38
1923	33.41
1924	33.44
1925	33.46
1926	33.49
1927	33.52
1928	33.54
1929	33.57
1930	33.6
1931	34.23
1932	34.86
1933	35.5
1934	36.13
1935	36.77
1936	37.4
1937	38.04
1938	38.67
1939	39.63
1940	40.58
1941	41.55
1942	42.5
1943	43.47
1944	44.42
1945	45.62
1946	46.81
1947	48.01
1948	49.21
1949	50.41
1950	51.61
1951	52.29
1952	53.58
1953	54.79
1954	55.91
1955	56.95
1956	57.9
1957	58.79
1958	59.59
1959	60.33
1960	61
1961	61.61
1962	62.19
1963	62.73
1964	63.26
1965	63.76
1966	64.24
1967	64.7
1968	65.14
1969	65.56
1970	65.96
1971	65.94
1972	65.44
1973	65.32
1974	65.63
1975	66.44
1976	66.94
1977	67.86
1978	68.06
1979	68.26
1980	69.01
1981	69.43
1982	69.97
1983	70.16
1984	70.58
1985	68
1986	70.6
1987	70.58
1988	70.8
1989	70.96
1990	71.38
1991	71.09
1992	71.13
1993	71.38
1994	71.62
1995	71.99
1996	72.18
1997	72.69
1998	73.04
1999	73.05
2000	73.25
2001	73.39
2002	73.61
2003	74.34
2004	74.56
2005	75
2006	75.19
2007	75.79
2008	76.03
2009	76.15
2010	76.44
2011	77.02
2012	77.32
2013	77.68
2014	77.88
2015	78.05
2016	78.24
2017	78.43
2018	78.62