Year	Years
1800	32.9
1801	32.9
1802	32.9
1803	32.9
1804	32.9
1805	32.9
1806	32.9
1807	32.9
1808	32.9
1809	32.9
1810	32.9
1811	32.9
1812	32.9
1813	32.9
1814	32.9
1815	32.9
1816	32.9
1817	32.9
1818	32.9
1819	32.9
1820	32.9
1821	32.9
1822	32.9
1823	32.9
1824	32.9
1825	32.9
1826	32.9
1827	32.9
1828	32.9
1829	32.9
1830	32.9
1831	32.9
1832	32.9
1833	32.9
1834	32.9
1835	32.9
1836	32.9
1837	32.9
1838	32.9
1839	32.9
1840	32.9
1841	32.9
1842	32.9
1843	32.9
1844	32.9
1845	32.9
1846	32.9
1847	32.9
1848	32.9
1849	32.9
1850	32.9
1851	32.9
1852	32.9
1853	32.9
1854	32.9
1855	32.9
1856	32.9
1857	32.9
1858	32.9
1859	32.9
1860	32.9
1861	32.9
1862	32.9
1863	32.9
1864	32.9
1865	32.9
1866	32.9
1867	32.9
1868	32.9
1869	32.9
1870	32.9
1871	32.91
1872	32.93
1873	32.94
1874	32.96
1875	32.97
1876	32.98
1877	33
1878	33.01
1879	33.03
1880	33.04
1881	33.05
1882	33.07
1883	33.08
1884	33.1
1885	33.11
1886	33.12
1887	33.14
1888	33.15
1889	33.17
1890	33.18
1891	33.19
1892	33.21
1893	33.22
1894	33.24
1895	33.25
1896	33.26
1897	33.28
1898	33.29
1899	33.31
1900	33.32
1901	33.33
1902	33.35
1903	33.36
1904	33.38
1905	33.39
1906	33.4
1907	33.42
1908	33.43
1909	33.45
1910	33.46
1911	33.47
1912	33.49
1913	33.5
1914	33.52
1915	33.53
1916	33.75
1917	33.96
1918	30.04
1919	34.4
1920	34.62
1921	34.84
1922	35.06
1923	35.28
1924	35.5
1925	35.72
1926	35.94
1927	36.15
1928	36.37
1929	36.59
1930	36.82
1931	37.5
1932	38.18
1933	38.86
1934	39.55
1935	40.23
1936	40.92
1937	41.6
1938	42.29
1939	42.97
1940	43.66
1941	45.05
1942	46.45
1943	47.84
1944	49.23
1945	50.62
1946	52.03
1947	53.42
1948	54.82
1949	56.23
1950	57.62
1951	57.93
1952	58.5
1953	59.08
1954	59.67
1955	60.25
1956	60.84
1957	61.43
1958	62.03
1959	62.61
1960	63.19
1961	63.74
1962	64.29
1963	64.81
1964	65.32
1965	65.81
1966	66.31
1967	66.79
1968	67.28
1969	67.79
1970	68.3
1971	68.99
1972	69.69
1973	70.38
1974	70.98
1975	71.51
1976	72.07
1977	72.59
1978	73.03
1979	73.39
1980	73.7
1981	73.92
1982	74.12
1983	74.29
1984	74.41
1985	74.49
1986	74.67
1987	74.89
1988	74.92
1989	74.37
1990	75.02
1991	75.04
1992	75.05
1993	74.97
1994	75.37
1995	75.52
1996	75.72
1997	75.92
1998	76.18
1999	76.54
2000	76.87
2001	77.06
2002	77.17
2003	77.26
2004	77.37
2005	77.49
2006	77.55
2007	77.61
2008	77.64
2009	77.73
2010	77.85
2011	77.93
2012	78.04
2013	78.23
2014	78.42
2015	78.73
2016	79.01
2017	79.2
2018	79.4