Year	Years
1800	24.3
1801	24.3
1802	24.3
1803	24.3
1804	24.3
1805	24.3
1806	24.3
1807	24.3
1808	24.3
1809	24.3
1810	24.3
1811	24.3
1812	24.3
1813	24.3
1814	24.3
1815	24.3
1816	24.3
1817	24.3
1818	24.3
1819	24.3
1820	24.3
1821	24.3
1822	24.3
1823	24.3
1824	24.3
1825	24.3
1826	24.3
1827	24.3
1828	24.3
1829	24.3
1830	24.3
1831	24.3
1832	24.3
1833	24.3
1834	24.3
1835	24.3
1836	24.3
1837	24.3
1838	24.3
1839	24.3
1840	24.3
1841	24.3
1842	24.3
1843	24.3
1844	24.3
1845	24.3
1846	24.3
1847	24.3
1848	24.3
1849	24.3
1850	24.3
1851	24.3
1852	24.3
1853	24.3
1854	24.3
1855	24.3
1856	24.3
1857	24.3
1858	24.3
1859	24.3
1860	24.3
1861	24.3
1862	24.3
1863	24.3
1864	24.3
1865	24.3
1866	24.3
1867	24.3
1868	24.3
1869	24.3
1870	24.3
1871	24.32
1872	24.34
1873	24.36
1874	24.39
1875	24.41
1876	24.43
1877	24.45
1878	24.47
1879	24.49
1880	24.51
1881	24.54
1882	24.56
1883	24.58
1884	24.6
1885	24.62
1886	24.64
1887	24.66
1888	24.68
1889	24.71
1890	24.73
1891	24.75
1892	24.77
1893	24.79
1894	24.81
1895	24.83
1896	24.86
1897	24.88
1898	24.9
1899	24.92
1900	24.94
1901	24.96
1902	24.98
1903	25.01
1904	25.03
1905	25.05
1906	25.07
1907	25.09
1908	25.11
1909	25.13
1910	25.16
1911	25.18
1912	25.2
1913	25.22
1914	25.24
1915	25.26
1916	25.28
1917	25.31
1918	25.33
1919	25.35
1920	25.37
1921	25.39
1922	25.41
1923	25.43
1924	25.45
1925	25.48
1926	25.5
1927	25.52
1928	25.54
1929	25.56
1930	25.58
1931	25.6
1932	25.63
1933	25.65
1934	25.67
1935	26.78
1936	27.89
1937	28.99
1938	30.11
1939	31.23
1940	32.35
1941	33.47
1942	34.58
1943	35.71
1944	36.83
1945	37.96
1946	39.09
1947	40.21
1948	41.35
1949	42.48
1950	43.62
1951	43.98
1952	44.65
1953	45.33
1954	46.01
1955	46.69
1956	47.37
1957	48.06
1958	48.74
1959	49.43
1960	50.12
1961	50.81
1962	51.51
1963	52.2
1964	52.89
1965	53.58
1966	54.28
1967	54.96
1968	55.64
1969	56.31
1970	56.98
1971	57.23
1972	57.47
1973	57.82
1974	58.39
1975	58.82
1976	59.22
1977	59.53
1978	59.91
1979	60.25
1980	60.44
1981	60.61
1982	60.78
1983	60.98
1984	61.19
1985	61.38
1986	61.52
1987	60.93
1988	61.68
1989	61.74
1990	61.86
1991	61.97
1992	62.06
1993	62.12
1994	62.2
1995	62.25
1996	62.29
1997	61.16
1998	62.36
1999	61.86
2000	62.39
2001	62.36
2002	62.29
2003	62.25
2004	62.24
2005	62.25
2006	62.36
2007	62.49
2008	62.66
2009	62.82
2010	63.02
2011	63.18
2012	63.34
2013	63.48
2014	63.51
2015	63.64
2016	63.95
2017	64.13
2018	64.3