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	31.97
1872	31.95
1873	31.92
1874	31.89
1875	31.87
1876	31.84
1877	31.81
1878	31.79
1879	31.76
1880	31.73
1881	31.71
1882	31.68
1883	31.65
1884	31.63
1885	31.6
1886	31.57
1887	31.55
1888	31.52
1889	31.49
1890	31.47
1891	31.44
1892	31.41
1893	31.39
1894	31.36
1895	31.33
1896	31.31
1897	31.28
1898	31.25
1899	31.23
1900	31.2
1901	31.17
1902	31.14
1903	31.12
1904	31.09
1905	31.06
1906	31.04
1907	31.01
1908	30.98
1909	30.96
1910	30.93
1911	30.9
1912	30.88
1913	30.85
1914	30.82
1915	30.8
1916	30.77
1917	30.74
1918	11.88
1919	30.69
1920	30.66
1921	30.64
1922	30.61
1923	30.58
1924	30.56
1925	30.53
1926	30.5
1927	30.48
1928	30.45
1929	30.42
1930	30.4
1931	30.69
1932	30.99
1933	31.28
1934	31.58
1935	31.86
1936	32.15
1937	32.45
1938	32.74
1939	33.03
1940	33.32
1941	33.61
1942	33.9
1943	34.18
1944	34.47
1945	34.76
1946	35.04
1947	35.33
1948	35.62
1949	35.9
1950	36.19
1951	36.47
1952	36.75
1953	37.03
1954	37.31
1955	37.6
1956	37.88
1957	38.16
1958	38.44
1959	38.72
1960	39
1961	39.15
1962	39.31
1963	39.46
1964	39.62
1965	39.75
1966	39.89
1967	40.02
1968	40.15
1969	40.26
1970	40.37
1971	40.81
1972	41.26
1973	41.66
1974	44.57
1975	44.97
1976	45.43
1977	45.71
1978	46.12
1979	46.48
1980	46.67
1981	46.78
1982	46.96
1983	47.13
1984	47.36
1985	47.58
1986	47.83
1987	48.11
1988	48.5
1989	48.84
1990	49.23
1991	49.62
1992	49.93
1993	50.26
1994	50.21
1995	50.91
1996	51.17
1997	50.57
1998	50.74
1999	51.2
2000	52.27
2001	52.58
2002	52.86
2003	53.14
2004	53.19
2005	53.21
2006	53.81
2007	54.26
2008	54.51
2009	55.05
2010	55.65
2011	56.19
2012	56.67
2013	57.18
2014	57.6
2015	58.18
2016	58.83
2017	59.25
2018	59.66