Year	Years
1800	26.1
1801	26.1
1802	26.1
1803	26.1
1804	26.1
1805	26.1
1806	26.1
1807	26.1
1808	26.1
1809	26.1
1810	26.1
1811	26.1
1812	26.1
1813	26.1
1814	26.1
1815	26.1
1816	26.1
1817	26.1
1818	26.1
1819	26.1
1820	26.1
1821	26.1
1822	26.1
1823	26.1
1824	26.1
1825	26.1
1826	26.1
1827	26.1
1828	26.1
1829	26.1
1830	26.1
1831	26.1
1832	26.1
1833	26.1
1834	26.1
1835	26.1
1836	26.1
1837	26.1
1838	26.1
1839	26.1
1840	26.1
1841	26.1
1842	26.1
1843	26.1
1844	26.1
1845	26.1
1846	26.1
1847	26.1
1848	26.1
1849	26.1
1850	26.1
1851	26.1
1852	26.1
1853	26.1
1854	26.1
1855	26.1
1856	26.1
1857	26.1
1858	26.1
1859	26.1
1860	26.1
1861	26.1
1862	26.1
1863	26.1
1864	26.1
1865	26.1
1866	26.1
1867	26.1
1868	26.1
1869	26.1
1870	26.1
1871	26.12
1872	26.14
1873	26.16
1874	26.18
1875	1
1876	26.22
1877	26.24
1878	26.26
1879	26.28
1880	26.3
1881	26.32
1882	26.34
1883	26.36
1884	26.38
1885	26.4
1886	26.42
1887	26.44
1888	26.46
1889	26.48
1890	26.5
1891	26.52
1892	26.54
1893	26.56
1894	26.58
1895	26.6
1896	26.62
1897	26.64
1898	26.66
1899	26.69
1900	26.71
1901	26.73
1902	26.75
1903	26.77
1904	26.79
1905	26.81
1906	26.83
1907	26.85
1908	26.87
1909	26.89
1910	26.91
1911	26.93
1912	26.95
1913	26.97
1914	26.99
1915	27.01
1916	27.03
1917	27.05
1918	6.87
1919	27.09
1920	27.11
1921	27.13
1922	27.15
1923	27.17
1924	27.19
1925	27.21
1926	28.27
1927	29.34
1928	30.4
1929	31.47
1930	32.54
1931	33.61
1932	34.69
1933	35.76
1934	36.84
1935	37.91
1936	38.99
1937	40.07
1938	41.16
1939	42.25
1940	43.33
1941	44.42
1942	45.51
1943	46.6
1944	47.69
1945	48.78
1946	49.88
1947	50.97
1948	52.07
1949	53.17
1950	54.27
1951	54.61
1952	55.24
1953	55.86
1954	56.45
1955	57.04
1956	57.61
1957	58.16
1958	58.7
1959	59.23
1960	59.75
1961	60.25
1962	60.75
1963	61.24
1964	61.73
1965	62.21
1966	62.68
1967	63.14
1968	63.6
1969	64.05
1970	64.49
1971	64.19
1972	64.19
1973	64.01
1974	64.26
1975	64.28
1976	64.81
1977	65.14
1978	65.1
1979	65.06
1980	64.81
1981	64.7
1982	65.03
1983	65.42
1984	65.73
1985	65.57
1986	65.55
1987	65.64
1988	65.52
1989	65.39
1990	65.39
1991	65.29
1992	65.17
1993	64.9
1994	64.79
1995	64.63
1996	64.46
1997	64.21
1998	64.22
1999	64.13
2000	64.3
2001	64.5
2002	64.66
2003	64.73
2004	64.83
2005	64.89
2006	64.87
2007	64.87
2008	64.9
2009	64.99
2010	65.28
2011	65.46
2012	65.4
2013	65.46
2014	65.46
2015	65.46
2016	65.47
2017	65.61
2018	65.75