Year	Years
1800	34.2
1801	34.2
1802	34.2
1803	34.2
1804	34.2
1805	34.2
1806	34.2
1807	34.2
1808	34.2
1809	34.2
1810	34.2
1811	34.2
1812	34.2
1813	34.2
1814	34.2
1815	34.2
1816	34.2
1817	34.2
1818	34.2
1819	34.2
1820	34.2
1821	34.2
1822	34.2
1823	34.2
1824	34.2
1825	34.2
1826	34.2
1827	34.2
1828	34.2
1829	34.2
1830	34.2
1831	34.2
1832	34.2
1833	34.2
1834	34.2
1835	34.2
1836	34.2
1837	34.2
1838	34.2
1839	34.2
1840	34.2
1841	34.2
1842	34.2
1843	34.2
1844	34.2
1845	34.2
1846	34.2
1847	34.2
1848	34.2
1849	34.2
1850	34.2
1851	34.2
1852	34.2
1853	34.2
1854	34.2
1855	34.2
1856	34.2
1857	34.2
1858	34.2
1859	34.2
1860	34.2
1861	34.2
1862	34.2
1863	34.2
1864	34.2
1865	34.2
1866	34.2
1867	34.2
1868	34.2
1869	34.2
1870	34.2
1871	34.2
1872	34.21
1873	34.21
1874	34.21
1875	34.21
1876	34.22
1877	34.22
1878	34.22
1879	34.22
1880	34.23
1881	34.23
1882	40.14
1883	38.14
1884	37.24
1885	37.84
1886	36.95
1887	35.55
1888	38.65
1889	37.66
1890	34.35
1891	37.36
1892	39.27
1893	38.67
1894	39.07
1895	37.47
1896	37.68
1897	37.08
1898	39.19
1899	37.68
1900	37.89
1901	38.19
1902	40.5
1903	34.69
1904	33.69
1905	37.7
1906	32.49
1907	29.58
1908	36.91
1909	37.41
1910	36.81
1911	38.02
1912	34.51
1913	37.63
1914	38.33
1915	37.13
1916	35.73
1917	31.82
1918	26.5
1919	36.74
1920	35.54
1921	30.82
1922	37.15
1923	38.16
1924	38.76
1925	39.07
1926	40.88
1927	39.57
1928	41.79
1929	43.2
1930	45.51
1931	42.9
1932	44.41
1933	41.8
1934	44.62
1935	44.22
1936	44.63
1937	47.45
1938	46.14
1939	48.76
1940	47.86
1941	49.67
1942	50.08
1943	50.59
1944	49.38
1945	49.39
1946	51.7
1947	50.7
1948	52.01
1949	54.23
1950	56.98
1951	57.48
1952	58.45
1953	59.38
1954	60.27
1955	61.12
1956	61.93
1957	62.69
1958	63.42
1959	64.09
1960	64.72
1961	65.31
1962	65.84
1963	66.33
1964	66.76
1965	67.17
1966	67.54
1967	67.88
1968	68.21
1969	68.5
1970	68.79
1971	69.23
1972	69.8
1973	70.29
1974	70.63
1975	70.91
1976	71.16
1977	71.33
1978	71.61
1979	71.73
1980	71.63
1981	71.98
1982	72.17
1983	72.35
1984	72.52
1985	72.69
1986	72.92
1987	73.36
1988	73.75
1989	74.14
1990	74.4
1991	74.52
1992	74.46
1993	74.38
1994	74.3
1995	74.18
1996	74.06
1997	73.94
1998	73.92
1999	73.9
2000	73.83
2001	73.64
2002	73.92
2003	74.12
2004	74.32
2005	74.66
2006	74.82
2007	74.73
2008	74.65
2009	74.6
2010	74.66
2011	74.77
2012	74.82
2013	74.86
2014	74.89
2015	74.91
2016	74.92
2017	75.05
2018	75.18