Year	Measure
1800	575
1801	575
1802	575
1803	575
1804	575
1805	575
1806	575
1807	575
1808	575
1809	575
1810	575
1811	575
1812	575
1813	575
1814	575
1815	575
1816	575
1817	575
1818	575
1819	575
1820	575
1821	576.9
1822	578.7
1823	580.6
1824	582.5
1825	584.4
1826	586.3
1827	588.2
1828	590.1
1829	592
1830	593.9
1831	595.9
1832	597.8
1833	599.7
1834	601.7
1835	603.7
1836	605.6
1837	607.6
1838	609.6
1839	611.5
1840	613.5
1841	615.5
1842	617.5
1843	619.5
1844	621.5
1845	623.5
1846	625.6
1847	627.6
1848	629.6
1849	631.7
1850	633.7
1851	635.8
1852	637.9
1853	639.9
1854	642
1855	644.1
1856	646.2
1857	648.3
1858	650.4
1859	652.5
1860	654.6
1861	656.7
1862	658.9
1863	661
1864	663.2
1865	665.3
1866	667.5
1867	669.6
1868	671.8
1869	674
1870	676.2
1871	678.4
1872	680.6
1873	682.8
1874	685
1875	687.2
1876	689.5
1877	691.7
1878	694
1879	696.2
1880	698.5
1881	700.7
1882	703
1883	705.3
1884	707.6
1885	709.9
1886	712.2
1887	714.5
1888	716.8
1889	719.2
1890	721.5
1891	723.8
1892	726.2
1893	728.5
1894	730.9
1895	733.3
1896	735.7
1897	738
1898	740.4
1899	742.9
1900	745.3
1901	747.7
1902	750.1
1903	752.5
1904	755
1905	757.4
1906	759.9
1907	762.4
1908	764.8
1909	767.3
1910	769.8
1911	772.3
1912	774.8
1913	777.3
1914	782.1
1915	786.8
1916	791.6
1917	796.4
1918	801.2
1919	806.1
1920	811
1921	815.9
1922	820.9
1923	825.9
1924	830.9
1925	835.9
1926	841
1927	846.1
1928	851.2
1929	856.4
1930	861.6
1931	866.8
1932	872.1
1933	877.4
1934	882.7
1935	888.1
1936	893.5
1937	898.9
1938	904.4
1939	909.9
1940	915.4
1941	920.9
1942	926.5
1943	932.2
1944	937.8
1945	943.5
1946	949.2
1947	955
1948	960.8
1949	966.6
1950	972.5
1951	986.6
1952	1001
1953	1016
1954	1030
1955	1045
1956	1060
1957	1076
1958	1091
1959	1107
1960	1123
1961	1172
1962	1224
1963	1249
1964	1330
1965	1437
1966	1489
1967	1516
1968	1548
1969	1639
1970	1776
1971	1845
1972	1904
1973	1982
1974	1987
1975	1926
1976	1820
1977	1797
1978	1909
1979	1902
1980	1815
1981	1766
1982	1728
1983	1738
1984	1687
1985	1709
1986	1744
1987	1748
1988	1753
1989	1685
1990	1593
1991	1701
1992	1887
1993	2173
1994	2242
1995	2110
1996	2213
1997	2070
1998	1939
1999	1923
2000	1827
2001	1779
2002	1732
2003	1728
2004	1734
2005	1752
2006	1751
2007	1833
2008	1910
2009	1982
2010	2080
2011	2254
2012	2378
2013	2426
2014	2510
2015	2978
2016	3001
2017	3027
2018	3055
2019	3092