Year	Years
1800	33.6
1801	33.6
1802	33.6
1803	33.6
1804	33.6
1805	33.6
1806	33.6
1807	33.6
1808	33.6
1809	33.6
1810	33.6
1811	33.6
1812	33.6
1813	33.6
1814	33.6
1815	33.6
1816	33.6
1817	33.6
1818	33.6
1819	33.6
1820	33.6
1821	33.6
1822	33.6
1823	33.6
1824	33.6
1825	33.6
1826	33.6
1827	33.6
1828	33.6
1829	33.6
1830	33.6
1831	33.6
1832	33.6
1833	33.6
1834	33.6
1835	33.6
1836	33.6
1837	33.6
1838	33.6
1839	33.6
1840	33.6
1841	33.6
1842	33.6
1843	33.6
1844	33.6
1845	33.6
1846	33.6
1847	33.6
1848	33.6
1849	33.6
1850	33.6
1851	33.6
1852	33.6
1853	33.6
1854	33.6
1855	33.6
1856	33.6
1857	33.6
1858	33.6
1859	33.6
1860	33.6
1861	33.6
1862	33.6
1863	33.6
1864	33.6
1865	33.6
1866	33.6
1867	33.6
1868	33.6
1869	33.6
1870	33.6
1871	33.61
1872	33.62
1873	33.63
1874	33.64
1875	33.65
1876	33.67
1877	33.68
1878	33.69
1879	33.7
1880	33.71
1881	33.72
1882	33.73
1883	33.74
1884	33.75
1885	33.76
1886	33.77
1887	33.78
1888	33.8
1889	33.81
1890	33.82
1891	33.83
1892	33.84
1893	33.85
1894	33.86
1895	33.87
1896	33.88
1897	33.89
1898	33.9
1899	33.91
1900	33.93
1901	33.94
1902	33.95
1903	33.96
1904	33.97
1905	33.98
1906	33.99
1907	34
1908	34.01
1909	34.02
1910	34.03
1911	34.04
1912	34.06
1913	34.07
1914	34.08
1915	34.09
1916	34.1
1917	34.11
1918	11.08
1919	34.13
1920	34.14
1921	34.15
1922	34.16
1923	34.17
1924	34.19
1925	34.2
1926	34.21
1927	34.22
1928	34.23
1929	34.24
1930	34.25
1931	34.26
1932	34.27
1933	34.28
1934	34.29
1935	34.3
1936	34.32
1937	34.33
1938	34.34
1939	34.35
1940	34.36
1941	34.37
1942	34.38
1943	34.39
1944	34.4
1945	34.41
1946	37.14
1947	39.86
1948	42.59
1949	45.31
1950	48.04
1951	48.27
1952	48.71
1953	49.14
1954	49.58
1955	50.01
1956	50.45
1957	50.88
1958	51.31
1959	51.72
1960	52.12
1961	52.52
1962	52.88
1963	53.25
1964	53.62
1965	53.99
1966	54.39
1967	54.85
1968	55.36
1969	55.91
1970	56.53
1971	57.07
1972	57.69
1973	58.33
1974	58.93
1975	59.48
1976	59.99
1977	60.42
1978	60.82
1979	61.19
1980	61.65
1981	62.13
1982	62.54
1983	63
1984	63.44
1985	63.88
1986	64.31
1987	64.66
1988	64.83
1989	64.81
1990	64.41
1991	63.67
1992	62.41
1993	60.77
1994	58.72
1995	56.36
1996	54.05
1997	51.85
1998	49.79
1999	48.08
2000	46.67
2001	45.76
2002	45.22
2003	45.29
2004	46.1
2005	47.75
2006	49.52
2007	51.13
2008	52.77
2009	54.89
2010	57.06
2011	58.94
2012	60.5
2013	62.42
2014	63.67
2015	64.64
2016	65.45
2017	66.25
2018	66.92