Year	Measure
1800	616.2
1801	616.2
1802	616.2
1803	616.2
1804	616.2
1805	616.2
1806	616.2
1807	616.2
1808	616.2
1809	616.2
1810	616.2
1811	616.2
1812	616.2
1813	616.2
1814	616.2
1815	616.2
1816	616.2
1817	616.2
1818	616.2
1819	616.2
1820	616.2
1821	618.2
1822	620.2
1823	622.3
1824	624.3
1825	626.3
1826	628.3
1827	630.4
1828	632.4
1829	634.5
1830	636.5
1831	638.6
1832	640.7
1833	642.8
1834	644.8
1835	646.9
1836	649
1837	651.2
1838	653.3
1839	655.4
1840	657.5
1841	659.7
1842	661.8
1843	663.9
1844	666.1
1845	668.3
1846	670.4
1847	672.6
1848	674.8
1849	677
1850	679.2
1851	681.4
1852	683.6
1853	685.8
1854	688
1855	690.3
1856	692.5
1857	694.8
1858	697
1859	699.3
1860	701.6
1861	703.8
1862	706.1
1863	708.4
1864	710.7
1865	713
1866	715.3
1867	717.7
1868	720
1869	722.3
1870	724.7
1871	727
1872	729.4
1873	731.8
1874	734.1
1875	736.5
1876	738.9
1877	741.3
1878	743.7
1879	746.1
1880	748.6
1881	751
1882	753.4
1883	755.9
1884	758.3
1885	760.8
1886	763.3
1887	765.7
1888	768.2
1889	770.7
1890	773.2
1891	775.7
1892	778.3
1893	780.8
1894	783.3
1895	785.9
1896	788.4
1897	791
1898	793.5
1899	796.1
1900	798.7
1901	801.3
1902	803.9
1903	806.5
1904	809.1
1905	811.8
1906	814.4
1907	817
1908	819.7
1909	822.4
1910	825
1911	827.7
1912	830.4
1913	833.1
1914	843
1915	853.1
1916	863.2
1917	873.5
1918	883.9
1919	894.4
1920	905.1
1921	915.9
1922	926.8
1923	937.8
1924	949
1925	960.3
1926	971.7
1927	983.3
1928	995
1929	1007
1930	1019
1931	1031
1932	1043
1933	1056
1934	1068
1935	1081
1936	1094
1937	1107
1938	1120
1939	1133
1940	1147
1941	1161
1942	1174
1943	1188
1944	1203
1945	1217
1946	1231
1947	1246
1948	1261
1949	1276
1950	1291
1951	1306
1952	1322
1953	1338
1954	1354
1955	1370
1956	1386
1957	1403
1958	1419
1959	1436
1960	1453
1961	1471
1962	1488
1963	1506
1964	1524
1965	1542
1966	1560
1967	1579
1968	1598
1969	1617
1970	1636
1971	1656
1972	1675
1973	1695
1974	2208
1975	2041
1976	2016
1977	1936
1978	2208
1979	2228
1980	1920
1981	1949
1982	2106
1983	2495
1984	2606
1985	2573
1986	2462
1987	2415
1988	2371
1989	2390
1990	2438
1991	2655
1992	2558
1993	2594
1994	2587
1995	2641
1996	2771
1997	2853
1998	2924
1999	2779
2000	2795
2001	2656
2002	2403
2003	2415
2004	2481
2005	2583
2006	2739
2007	2816
2008	2931
2009	2960
2010	2941
2011	2916
2012	2901
2013	2803
2014	2837
2015	2898
2016	2961
2017	3019
2018	3076
2019	3127