Year	Measure
1800	623.2
1801	623.2
1802	623.2
1803	623.2
1804	623.2
1805	623.2
1806	623.2
1807	623.2
1808	623.2
1809	623.2
1810	623.2
1811	623.2
1812	623.2
1813	623.2
1814	623.2
1815	623.2
1816	623.2
1817	623.2
1818	623.2
1819	623.2
1820	623.2
1821	624.2
1822	625.2
1823	626.1
1824	627.1
1825	628
1826	629
1827	630
1828	630.9
1829	631.9
1830	632.9
1831	633.9
1832	634.8
1833	635.8
1834	636.8
1835	637.8
1836	638.8
1837	639.7
1838	640.7
1839	641.7
1840	642.7
1841	643.7
1842	644.7
1843	645.7
1844	646.7
1845	647.6
1846	648.6
1847	649.6
1848	650.6
1849	651.6
1850	652.6
1851	653.6
1852	654.7
1853	655.7
1854	656.7
1855	657.7
1856	658.7
1857	659.7
1858	660.7
1859	661.7
1860	662.8
1861	663.8
1862	664.8
1863	665.8
1864	666.8
1865	667.9
1866	668.9
1867	669.9
1868	670.9
1869	672
1870	673
1871	674
1872	675.1
1873	676.1
1874	677.2
1875	678.2
1876	679.2
1877	680.3
1878	681.3
1879	682.4
1880	683.4
1881	684.5
1882	685.5
1883	686.6
1884	687.6
1885	688.7
1886	689.8
1887	690.8
1888	691.9
1889	693
1890	694
1891	695.1
1892	696.2
1893	697.2
1894	698.3
1895	699.4
1896	700.4
1897	701.5
1898	702.6
1899	703.7
1900	704.8
1901	705.8
1902	706.9
1903	708
1904	709.1
1905	710.2
1906	711.3
1907	712.4
1908	713.5
1909	714.6
1910	715.7
1911	716.8
1912	717.9
1913	719
1914	720.1
1915	721.2
1916	722.3
1917	723.4
1918	724.5
1919	725.6
1920	726.8
1921	727.9
1922	729
1923	730.1
1924	731.2
1925	732.4
1926	733.5
1927	734.6
1928	735.8
1929	736.9
1930	738
1931	739.2
1932	740.3
1933	741.4
1934	742.6
1935	743.7
1936	744.9
1937	746
1938	747.1
1939	748.3
1940	749.4
1941	750.6
1942	751.8
1943	752.9
1944	754.1
1945	755.2
1946	756.4
1947	757.6
1948	758.7
1949	759.9
1950	761.1
1951	782.1
1952	807.7
1953	831.3
1954	857
1955	882.2
1956	908.3
1957	937.2
1958	964.5
1959	993.8
1960	1023
1961	1054
1962	1085
1963	1119
1964	1152
1965	1186
1966	1221
1967	1259
1968	1296
1969	1335
1970	1376
1971	1399
1972	1407
1973	1486
1974	1506
1975	1549
1976	1563
1977	1673
1978	1701
1979	1729
1980	1949
1981	1725
1982	1999
1983	2240
1984	2496
1985	2434
1986	2555
1987	2707
1988	2788
1989	2713
1990	3836
1991	2741
1992	2561
1993	2082
1994	2229
1995	2883
1996	2647
1997	2730
1998	2562
1999	2631
2000	2892
2001	3115
2002	3328
2003	3602
2004	4165
2005	4829
2006	5840
2007	6385
2008	6355
2009	5894
2010	6766
2011	7495
2012	8266
2013	9046
2014	10040
2015	10630
2016	11050
2017	11820
2018	12390
2019	13240