Year	Years
1800	25.1
1801	25.1
1802	25.1
1803	25.1
1804	25.1
1805	25.1
1806	25.1
1807	25.1
1808	25.1
1809	25.1
1810	25.1
1811	25.1
1812	25.1
1813	25.1
1814	25.1
1815	25.1
1816	25.1
1817	25.1
1818	25.1
1819	25.1
1820	25.1
1821	25.1
1822	25.1
1823	25.1
1824	25.1
1825	25.1
1826	25.1
1827	25.1
1828	25.1
1829	25.1
1830	25.1
1831	25.1
1832	25.1
1833	25.1
1834	25.1
1835	25.1
1836	25.1
1837	25.1
1838	25.1
1839	25.1
1840	25.1
1841	25.1
1842	25.1
1843	25.1
1844	25.1
1845	25.1
1846	25.1
1847	25.1
1848	25.1
1849	25.1
1850	25.1
1851	25.1
1852	25.1
1853	25.1
1854	25.1
1855	25.1
1856	25.1
1857	25.1
1858	25.1
1859	25.1
1860	25.1
1861	25.1
1862	25.1
1863	25.1
1864	25.1
1865	25.1
1866	25.1
1867	25.1
1868	25.1
1869	25.1
1870	25.1
1871	25.1
1872	25.1
1873	25.1
1874	25.11
1875	25.11
1876	25.11
1877	25.11
1878	25.11
1879	25.11
1880	25.12
1881	25.12
1882	25.12
1883	25.12
1884	25.12
1885	25.12
1886	25.13
1887	25.13
1888	25.13
1889	25.13
1890	25.13
1891	25.13
1892	25.14
1893	25.14
1894	25.14
1895	25.14
1896	25.14
1897	25.14
1898	25.15
1899	25.15
1900	25.15
1901	25.15
1902	25.15
1903	25.15
1904	25.16
1905	25.16
1906	25.16
1907	25.16
1908	25.16
1909	25.16
1910	25.16
1911	25.17
1912	25.17
1913	25.17
1914	25.17
1915	25.17
1916	25.17
1917	25.18
1918	24.58
1919	25.18
1920	25.18
1921	25.18
1922	25.18
1923	25.19
1924	25.19
1925	25.19
1926	25.19
1927	25.19
1928	25.19
1929	25.2
1930	25.2
1931	25.2
1932	25.2
1933	25.2
1934	25.2
1935	26.41
1936	27.63
1937	28.83
1938	30.05
1939	31.26
1940	32.48
1941	33.68
1942	28.13
1943	26.12
1944	31.15
1945	35.17
1946	38.19
1947	40.2
1948	42.11
1949	43.32
1950	44.61
1951	44.86
1952	45.38
1953	45.88
1954	46.4
1955	46.91
1956	47.42
1957	47.93
1958	48.44
1959	48.95
1960	49.46
1961	49.97
1962	50.48
1963	50.99
1964	51.5
1965	52.02
1966	52.53
1967	53.05
1968	53.57
1969	54.08
1970	54.6
1971	54.99
1972	55.36
1973	55.72
1974	56.2
1975	54.67
1976	57.02
1977	57.17
1978	57.97
1979	58.54
1980	58.94
1981	59.25
1982	59.45
1983	59.61
1984	59.76
1985	59.84
1986	59.18
1987	59.99
1988	60.03
1989	60.09
1990	60.16
1991	60.03
1992	60.41
1993	60.58
1994	60.78
1995	61
1996	61.19
1997	61.32
1998	61.43
1999	61.5
2000	61.45
2001	61.34
2002	61.2
2003	61.1
2004	61.04
2005	61.04
2006	61.1
2007	61
2008	61.39
2009	61.43
2010	61.71
2011	61.95
2012	62.19
2013	62.38
2014	62.42
2015	62.8
2016	63.08
2017	63.33
2018	63.57