Year	Measure
1800	697.4
1801	697.4
1802	697.4
1803	697.4
1804	697.4
1805	697.4
1806	697.4
1807	697.4
1808	697.4
1809	697.4
1810	697.4
1811	697.4
1812	697.4
1813	697.4
1814	697.4
1815	697.4
1816	697.4
1817	697.4
1818	697.4
1819	697.4
1820	697.4
1821	699.7
1822	701.9
1823	704.2
1824	706.5
1825	708.8
1826	711.1
1827	713.4
1828	715.7
1829	718
1830	720.4
1831	722.7
1832	725.1
1833	727.4
1834	729.8
1835	732.1
1836	734.5
1837	736.9
1838	739.3
1839	741.7
1840	744.1
1841	746.5
1842	749
1843	751.4
1844	753.8
1845	756.3
1846	758.7
1847	761.2
1848	763.7
1849	766.1
1850	768.6
1851	771.1
1852	773.6
1853	776.1
1854	778.7
1855	781.2
1856	783.7
1857	786.3
1858	788.8
1859	791.4
1860	794
1861	796.5
1862	799.1
1863	801.7
1864	804.3
1865	806.9
1866	809.6
1867	812.2
1868	814.8
1869	817.5
1870	820.1
1871	822.8
1872	825.5
1873	828.1
1874	830.8
1875	833.5
1876	836.2
1877	838.9
1878	841.7
1879	844.4
1880	847.1
1881	849.9
1882	852.7
1883	855.4
1884	858.2
1885	861
1886	863.8
1887	866.6
1888	869.4
1889	872.2
1890	875.1
1891	877.9
1892	880.8
1893	883.6
1894	886.5
1895	889.4
1896	892.3
1897	895.2
1898	898.1
1899	901
1900	903.9
1901	906.8
1902	909.8
1903	912.7
1904	915.7
1905	918.7
1906	921.7
1907	924.7
1908	927.7
1909	930.7
1910	933.7
1911	936.7
1912	939.8
1913	942.8
1914	954.4
1915	966.1
1916	977.9
1917	989.9
1918	1002
1919	1014
1920	1027
1921	1039
1922	1052
1923	1065
1924	1078
1925	1091
1926	1105
1927	1118
1928	1132
1929	1146
1930	1160
1931	1174
1932	1188
1933	1203
1934	1218
1935	1233
1936	1248
1937	1263
1938	1278
1939	1294
1940	1310
1941	1326
1942	1342
1943	1359
1944	1375
1945	1392
1946	1409
1947	1426
1948	1444
1949	1462
1950	1480
1951	1498
1952	1516
1953	1535
1954	1553
1955	1572
1956	1592
1957	1611
1958	1631
1959	1651
1960	1671
1961	1692
1962	1712
1963	1733
1964	1755
1965	1776
1966	1798
1967	1820
1968	1842
1969	1865
1970	1888
1971	1911
1972	1934
1973	1958
1974	2043
1975	2112
1976	2127
1977	2210
1978	2224
1979	2244
1980	2589
1981	2963
1982	3433
1983	3680
1984	3787
1985	4064
1986	4157
1987	4270
1988	4165
1989	4152
1990	4039
1991	4269
1992	4251
1993	4382
1994	4573
1995	4690
1996	4742
1997	4630
1998	4741
1999	4928
2000	5103
2001	5249
2002	5310
2003	5461
2004	5505
2005	5363
2006	5100
2007	4958
2008	4963
2009	4990
2010	5050
2011	5103
2012	5124
2013	5162
2014	5232
2015	5310
2016	5389
2017	5469
2018	5550
2019	5633