Year	Measure
1800	609.2
1801	609.2
1802	609.2
1803	609.2
1804	609.2
1805	609.2
1806	609.2
1807	609.2
1808	609.2
1809	609.2
1810	609.2
1811	609.2
1812	609.2
1813	609.2
1814	609.2
1815	609.2
1816	609.2
1817	609.2
1818	609.2
1819	609.2
1820	609.2
1821	613.2
1822	617.2
1823	621.3
1824	625.4
1825	629.6
1826	633.7
1827	637.9
1828	642.1
1829	646.4
1830	650.6
1831	654.9
1832	659.3
1833	663.6
1834	668
1835	672.4
1836	676.9
1837	681.3
1838	685.8
1839	690.4
1840	694.9
1841	699.5
1842	704.1
1843	708.8
1844	713.5
1845	718.2
1846	722.9
1847	727.7
1848	732.5
1849	737.4
1850	742.2
1851	747.1
1852	752.1
1853	757.1
1854	762.1
1855	767.1
1856	772.2
1857	777.3
1858	782.4
1859	787.6
1860	792.8
1861	798
1862	803.3
1863	808.6
1864	813.9
1865	819.3
1866	824.7
1867	830.2
1868	835.7
1869	841.2
1870	846.7
1871	852.3
1872	858
1873	863.6
1874	869.3
1875	875.1
1876	880.9
1877	886.7
1878	892.6
1879	898.5
1880	904.4
1881	910.4
1882	916.4
1883	922.4
1884	928.5
1885	934.7
1886	940.8
1887	947.1
1888	953.3
1889	959.6
1890	966
1891	972.3
1892	978.8
1893	985.2
1894	991.7
1895	998.3
1896	1005
1897	1012
1898	1018
1899	1025
1900	1032
1901	1039
1902	1045
1903	1052
1904	1059
1905	1066
1906	1073
1907	1080
1908	1088
1909	1095
1910	1102
1911	1109
1912	1117
1913	1124
1914	1141
1915	1158
1916	1175
1917	1192
1918	1210
1919	1228
1920	1246
1921	1265
1922	1284
1923	1303
1924	1322
1925	1342
1926	1362
1927	1382
1928	1403
1929	1424
1930	1445
1931	1467
1932	1488
1933	1511
1934	1533
1935	1556
1936	1579
1937	1603
1938	1626
1939	1651
1940	1675
1941	1700
1942	1726
1943	1751
1944	1777
1945	1804
1946	1831
1947	1858
1948	1886
1949	1914
1950	1942
1951	1957
1952	1972
1953	1987
1954	2002
1955	2018
1956	2033
1957	2049
1958	2064
1959	2080
1960	2096
1961	2124
1962	2150
1963	2178
1964	2212
1965	2254
1966	2299
1967	2355
1968	2475
1969	2553
1970	2631
1971	2696
1972	2936
1973	3057
1974	3423
1975	3484
1976	3410
1977	3544
1978	3723
1979	3895
1980	4368
1981	4310
1982	4187
1983	4017
1984	3969
1985	3910
1986	3988
1987	4314
1988	4592
1989	5096
1990	5465
1991	5944
1992	6485
1993	6685
1994	6514
1995	6369
1996	6319
1997	6318
1998	6319
1999	6723
2000	7343
2001	7482
2002	7629
2003	8082
2004	8191
2005	8179
2006	8364
2007	8075
2008	8187
2009	8061
2010	8158
2011	8178
2012	8368
2013	8356
2014	8418
2015	8481
2016	8544
2017	8607
2018	8671
2019	8736