Year	Measure
1800	758.1
1801	758.1
1802	758.1
1803	758.1
1804	758.1
1805	758.1
1806	758.1
1807	758.1
1808	758.1
1809	758.1
1810	758.1
1811	758.1
1812	758.1
1813	758.1
1814	758.1
1815	758.1
1816	758.1
1817	758.1
1818	758.1
1819	758.1
1820	758.1
1821	759.9
1822	761.8
1823	763.6
1824	765.5
1825	767.3
1826	769.2
1827	771.1
1828	773
1829	774.8
1830	776.7
1831	778.6
1832	780.5
1833	782.4
1834	784.3
1835	786.2
1836	788.2
1837	790.1
1838	792
1839	793.9
1840	795.9
1841	797.8
1842	799.7
1843	801.7
1844	803.6
1845	805.6
1846	807.6
1847	809.5
1848	811.5
1849	813.5
1850	815.5
1851	817.4
1852	819.4
1853	821.4
1854	823.4
1855	825.4
1856	827.5
1857	829.5
1858	831.5
1859	833.5
1860	835.5
1861	837.6
1862	839.6
1863	841.7
1864	843.7
1865	845.8
1866	847.8
1867	849.9
1868	852
1869	854
1870	856.1
1871	858.2
1872	860.3
1873	862.4
1874	864.5
1875	866.6
1876	868.7
1877	870.8
1878	872.9
1879	875.1
1880	877.2
1881	879.3
1882	881.5
1883	883.6
1884	885.8
1885	887.9
1886	890.1
1887	892.3
1888	894.4
1889	896.6
1890	898.8
1891	901
1892	903.2
1893	905.4
1894	907.6
1895	909.8
1896	912
1897	914.2
1898	916.5
1899	918.7
1900	920.9
1901	923.2
1902	925.4
1903	927.7
1904	929.9
1905	932.2
1906	939.5
1907	982.5
1908	1018
1909	1051
1910	1089
1911	1120
1912	1153
1913	1180
1914	1194
1915	1218
1916	1249
1917	1268
1918	1306
1919	1381
1920	1439
1921	1485
1922	1547
1923	1605
1924	1655
1925	1701
1926	1820
1927	1937
1928	2029
1929	2049
1930	2007
1931	1951
1932	2057
1933	2148
1934	2258
1935	2286
1936	2380
1937	2388
1938	2515
1939	2602
1940	2589
1941	2563
1942	2500
1943	2443
1944	2543
1945	2594
1946	2774
1947	2808
1948	2812
1949	2983
1950	3027
1951	3014
1952	3108
1953	3166
1954	3291
1955	3314
1956	3364
1957	3368
1958	3323
1959	3452
1960	3477
1961	3542
1962	3613
1963	3615
1964	3721
1965	3756
1966	3853
1967	3883
1968	4016
1969	4163
1970	4331
1971	4488
1972	4732
1973	4951
1974	5157
1975	5201
1976	5372
1977	5531
1978	5936
1979	6180
1980	6348
1981	6413
1982	6374
1983	6387
1984	6480
1985	6572
1986	6841
1987	7107
1988	7315
1989	7458
1990	7686
1991	7714
1992	7892
1993	8183
1994	8442
1995	8717
1996	8730
1997	8867
1998	8757
1999	8235
2000	8334
2001	8317
2002	8342
2003	8531
2004	8814
2005	9141
2006	9637
2007	10180
2008	10420
2009	10460
2010	10750
2011	11330
2012	11670
2013	12030
2014	12420
2015	12820
2016	13240
2017	13680
2018	14130
2019	14590