Year	Years
1800	30.4
1801	30.4
1802	30.4
1803	30.4
1804	30.4
1805	30.4
1806	30.4
1807	30.4
1808	30.4
1809	30.4
1810	30.4
1811	30.4
1812	30.4
1813	30.4
1814	30.4
1815	30.4
1816	30.4
1817	30.4
1818	30.4
1819	30.4
1820	30.4
1821	30.4
1822	30.4
1823	30.4
1824	30.4
1825	30.4
1826	30.4
1827	30.4
1828	30.4
1829	30.4
1830	30.4
1831	30.4
1832	30.4
1833	30.4
1834	30.4
1835	30.4
1836	30.4
1837	30.4
1838	30.4
1839	30.4
1840	30.4
1841	30.4
1842	30.4
1843	30.4
1844	30.4
1845	30.4
1846	30.4
1847	30.4
1848	30.4
1849	30.4
1850	30.4
1851	30.4
1852	30.4
1853	30.4
1854	30.4
1855	30.4
1856	30.4
1857	30.4
1858	30.4
1859	30.4
1860	30.4
1861	30.4
1862	30.4
1863	30.4
1864	30.4
1865	30.4
1866	30.4
1867	30.4
1868	30.4
1869	30.4
1870	30.4
1871	30.41
1872	30.43
1873	30.44
1874	30.46
1875	30.47
1876	30.49
1877	30.5
1878	30.52
1879	30.53
1880	30.55
1881	30.56
1882	30.57
1883	30.59
1884	30.6
1885	30.62
1886	30.63
1887	30.65
1888	30.66
1889	30.68
1890	30.69
1891	30.71
1892	30.72
1893	30.73
1894	30.75
1895	30.76
1896	30.78
1897	30.79
1898	30.81
1899	30.82
1900	30.84
1901	30.85
1902	30.87
1903	30.88
1904	30.89
1905	30.91
1906	30.92
1907	30.94
1908	30.95
1909	30.97
1910	30.98
1911	31
1912	31.01
1913	31.02
1914	31.04
1915	31.05
1916	31.07
1917	31.08
1918	19.93
1919	31.11
1920	31.13
1921	31.14
1922	31.16
1923	31.17
1924	31.18
1925	31.2
1926	31.21
1927	31.23
1928	31.24
1929	31.26
1930	31.27
1931	32.74
1932	34.22
1933	35.68
1934	37.16
1935	38.63
1936	40.12
1937	41.59
1938	41.61
1939	41.63
1940	40.62
1941	39.6
1942	39.62
1943	39.64
1944	39.45
1945	40.74
1946	42.04
1947	43.34
1948	51.76
1949	52.28
1950	52.81
1951	53
1952	53.38
1953	53.8
1954	54.25
1955	54.75
1956	55.28
1957	55.84
1958	56.43
1959	57.03
1960	57.62
1961	58.2
1962	58.73
1963	59.24
1964	59.7
1965	60.13
1966	60.55
1967	60.96
1968	61.4
1969	61.87
1970	62.37
1971	62.84
1972	63.29
1973	63.82
1974	64.38
1975	64.98
1976	65.45
1977	65.75
1978	66.07
1979	66.22
1980	66.37
1981	66.6
1982	66.84
1983	67.32
1984	68.02
1985	68.81
1986	69.37
1987	69.77
1988	70.1
1989	70.38
1990	70.64
1991	70.75
1992	70.72
1993	70.78
1994	70.81
1995	70.91
1996	71.06
1997	71.18
1998	71.34
1999	71.58
2000	71.97
2001	72.4
2002	72.83
2003	73.29
2004	73.39
2005	74.16
2006	74.64
2007	75.1
2008	75.6
2009	76.09
2010	76.57
2011	76.89
2012	77.17
2013	77.32
2014	77.49
2015	77.62
2016	77.75
2017	77.95
2018	78.15
2019	78.35
2020	78.55
2021	78.75
2022	78.95
2023	79.15
2024	79.35
2025	79.55
2026	79.75
2027	79.95
2028	80.14
2029	80.33
2030	80.52
2031	80.71
2032	80.9
2033	81.09
2034	81.28
2035	81.47
2036	81.66
2037	81.85
2038	82.04
2039	82.23
2040	82.42
2041	82.61
2042	82.8
2043	82.99
2044	83.18
2045	83.36
2046	83.54
2047	83.72
2048	83.9
2049	84.08
2050	84.26
2051	84.44
2052	84.62
2053	84.79
2054	84.96
2055	85.13
2056	85.3
2057	85.46
2058	85.62
2059	85.78
2060	85.93
2061	86.08
2062	86.23
2063	86.38
2064	86.52
2065	86.66
2066	86.8
2067	86.94
2068	87.08
2069	87.21
2070	87.34
2071	87.47
2072	87.6
2073	87.73
2074	87.86
2075	87.98
2076	88.1
2077	88.22
2078	88.34
2079	88.46
2080	88.58
2081	88.7
2082	88.82
2083	88.94
2084	89.06
2085	89.18
2086	89.3
2087	89.42
2088	89.54
2089	89.66
2090	89.77
2091	89.88
2092	89.99
2093	90.1
2094	90.21
2095	90.32
2096	90.43
2097	90.54
2098	90.65
2099	90.76
2100	90.87