Year	Years
1800	26
1801	26
1802	26
1803	26
1804	26
1805	26
1806	26
1807	26
1808	26
1809	26
1810	26
1811	26
1812	26
1813	26
1814	26
1815	26
1816	26
1817	26
1818	26
1819	26
1820	26
1821	26
1822	26
1823	26
1824	26
1825	26
1826	26
1827	26
1828	26
1829	26
1830	26
1831	26
1832	26
1833	26
1834	26
1835	26
1836	26
1837	26
1838	26
1839	26
1840	26
1841	26
1842	26
1843	26
1844	26
1845	26
1846	26
1847	26
1848	26
1849	26
1850	26
1851	26
1852	26
1853	26
1854	26
1855	26
1856	26
1857	26
1858	26
1859	26
1860	26
1861	26
1862	26
1863	26
1864	26
1865	26
1866	26
1867	26
1868	26
1869	26
1870	26
1871	26
1872	26
1873	26
1874	26
1875	26
1876	26
1877	26
1878	16
1879	26
1880	26
1881	26
1882	26
1883	26
1884	26
1885	26
1886	26
1887	26
1888	26
1889	26
1890	26
1891	26
1892	26
1893	26
1894	26
1895	26
1896	26
1897	26
1898	26
1899	26
1900	26
1901	26
1902	26
1903	26
1904	26
1905	26
1906	26
1907	26
1908	26
1909	26
1910	26
1911	26
1912	26
1913	26
1914	26
1915	26
1916	26
1917	26
1918	26
1919	26
1920	26
1921	26
1922	26
1923	26
1924	26
1925	26
1926	26.92
1927	27.85
1928	28.77
1929	29.69
1930	30.62
1931	31.54
1932	32.46
1933	33.39
1934	34.31
1935	35.23
1936	36.16
1937	37.08
1938	38.01
1939	38.93
1940	39.85
1941	40.78
1942	41.7
1943	42.62
1944	43.55
1945	44.47
1946	45.39
1947	46.32
1948	47.24
1949	48.16
1950	49.09
1951	49.51
1952	50.34
1953	51.16
1954	51.96
1955	52.74
1956	53.5
1957	54.25
1958	54.98
1959	55.69
1960	56.38
1961	57.06
1962	57.72
1963	58.36
1964	58.99
1965	59.6
1966	60.19
1967	60.77
1968	61.33
1969	61.89
1970	62.42
1971	62.95
1972	63.46
1973	63.95
1974	64.44
1975	64.91
1976	65.37
1977	65.81
1978	66.25
1979	66.68
1980	67.09
1981	67.5
1982	67.89
1983	68.28
1984	68.65
1985	69.02
1986	69.37
1987	69.72
1988	70.05
1989	70.38
1990	70.7
1991	71.01
1992	71.31
1993	71.6
1994	71.89
1995	72.16
1996	72.43
1997	72.7
1998	72.95
1999	73.21
2000	73.46
2001	73.7
2002	73.94
2003	74.17
2004	74.4
2005	74.62
2006	74.84
2007	75.05
2008	75.26
2009	75.47
2010	75.67
2011	75.88
2012	76.09
2013	76.31
2014	76.52
2015	76.74
2016	76.93
2017	77.12
2018	77.31