Year	Measure
1800	730
1801	730.6
1802	731.2
1803	731.8
1804	732.4
1805	733
1806	733.6
1807	734.2
1808	734.7
1809	735.3
1810	735.9
1811	736.5
1812	737.1
1813	737.7
1814	738.3
1815	738.9
1816	739.5
1817	740.1
1818	740.7
1819	741.3
1820	741.9
1821	742.5
1822	743.1
1823	743.7
1824	744.3
1825	744.9
1826	745.5
1827	746.1
1828	746.8
1829	747.4
1830	748
1831	748.6
1832	749.2
1833	749.8
1834	750.4
1835	751
1836	751.6
1837	752.2
1838	752.8
1839	753.4
1840	754
1841	754.7
1842	755.3
1843	755.9
1844	756.5
1845	757.1
1846	757.7
1847	758.3
1848	759
1849	759.6
1850	760.2
1851	760.8
1852	761.4
1853	762
1854	762.7
1855	763.3
1856	763.9
1857	764.5
1858	765.1
1859	765.7
1860	766.4
1861	767
1862	767.6
1863	768.2
1864	768.9
1865	769.5
1866	770.1
1867	770.7
1868	771.4
1869	772
1870	772.6
1871	773.2
1872	773.9
1873	774.5
1874	775.1
1875	775.7
1876	776.4
1877	777
1878	777.6
1879	778.3
1880	778.9
1881	779.5
1882	780.2
1883	780.8
1884	781.4
1885	782.1
1886	782.7
1887	783.3
1888	784
1889	784.6
1890	785.2
1891	785.9
1892	786.5
1893	787.1
1894	787.8
1895	788.4
1896	789.1
1897	789.7
1898	790.3
1899	791
1900	791.6
1901	792.3
1902	792.9
1903	793.5
1904	794.2
1905	794.8
1906	795.5
1907	796.1
1908	796.8
1909	797.4
1910	798.1
1911	798.7
1912	799.4
1913	800
1914	805.1
1915	810.3
1916	815.5
1917	820.7
1918	826
1919	831.2
1920	836.6
1921	841.9
1922	847.3
1923	852.7
1924	858.2
1925	863.7
1926	869.2
1927	874.8
1928	880.4
1929	886
1930	891.7
1931	897.4
1932	903.2
1933	909
1934	914.8
1935	920.6
1936	926.5
1937	932.5
1938	938.4
1939	944.5
1940	950.5
1941	956.6
1942	962.7
1943	968.9
1944	975.1
1945	981.3
1946	987.6
1947	993.9
1948	1000
1949	1007
1950	1013
1951	1053
1952	1066
1953	1086
1954	1127
1955	1142
1956	1161
1957	1181
1958	1190
1959	1234
1960	1225
1961	1257
1962	1286
1963	1308
1964	1142
1965	1043
1966	1166
1967	1206
1968	1200
1969	1027
1970	1091
1971	1104
1972	1264
1973	1099
1974	1072
1975	1154
1976	1032
1977	1051
1978	999.5
1979	872.2
1980	839.6
1981	869.1
1982	890.3
1983	796.4
1984	834
1985	920.2
1986	898.3
1987	979.9
1988	962.2
1989	950.1
1990	929.6
1991	920.6
1992	813.4
1993	816.6
1994	644.1
1995	637.3
1996	648.4
1997	612.7
1998	606.9
1999	604.9
2000	603.1
2001	603
2002	606.8
2003	611.5
2004	613.6
2005	615.8
2006	614.6
2007	614.8
2008	614.9
2009	614.7
2010	614
2011	614
2012	616
2013	619