Year	Measure
1800	890
1801	890.5
1802	891
1803	891.5
1804	892
1805	892.5
1806	893
1807	893.5
1808	894
1809	894.5
1810	895
1811	895.5
1812	896
1813	896.5
1814	897
1815	897.5
1816	898
1817	898.5
1818	899
1819	899.5
1820	900
1821	901
1822	901.9
1823	902.9
1824	903.9
1825	904.9
1826	905.9
1827	906.8
1828	907.8
1829	908.8
1830	909.8
1831	910.8
1832	911.8
1833	912.7
1834	913.7
1835	914.7
1836	915.7
1837	916.7
1838	917.7
1839	918.7
1840	919.7
1841	920.7
1842	921.7
1843	922.7
1844	923.7
1845	924.7
1846	925.7
1847	926.7
1848	927.7
1849	928.7
1850	929.7
1851	930.7
1852	931.7
1853	932.7
1854	933.7
1855	934.7
1856	935.7
1857	936.7
1858	937.8
1859	938.8
1860	939.8
1861	940.8
1862	941.8
1863	942.8
1864	943.9
1865	944.9
1866	945.9
1867	946.9
1868	947.9
1869	949
1870	950
1871	952.2
1872	954.4
1873	956.7
1874	958.9
1875	961.1
1876	963.4
1877	965.6
1878	967.9
1879	970.1
1880	972.4
1881	974.6
1882	976.9
1883	979.2
1884	981.5
1885	983.8
1886	986
1887	988.3
1888	990.6
1889	993
1890	995.3
1891	997.6
1892	999.9
1893	1002
1894	1005
1895	1007
1896	1009
1897	1012
1898	1014
1899	1016
1900	1019
1901	1021
1902	1023
1903	1026
1904	1028
1905	1031
1906	1033
1907	1035
1908	1038
1909	1040
1910	1043
1911	1045
1912	1048
1913	1050
1914	1053
1915	1056
1916	1059
1917	1062
1918	1065
1919	1068
1920	1072
1921	1075
1922	1078
1923	1081
1924	1084
1925	1087
1926	1090
1927	1094
1928	1097
1929	1100
1930	1060
1931	1022
1932	985.5
1933	950
1934	950.8
1935	951.7
1936	952.5
1937	953.3
1938	954.2
1939	955
1940	986.7
1941	1019
1942	1053
1943	1088
1944	1124
1945	1161
1946	1200
1947	1389
1948	1607
1949	1860
1950	2152
1951	2490
1952	2882
1953	3335
1954	3859
1955	4466
1956	5168
1957	5981
1958	6921
1959	8009
1960	9268
1961	10730
1962	12410
1963	14360
1964	16620
1965	19230
1966	22260
1967	25760
1968	29810
1969	34490
1970	39920
1971	46910
1972	52820
1973	56650
1974	89070
1975	67810
1976	79920
1977	77110
1978	70730
1979	69250
1980	71940
1981	66920
1982	55110
1983	49200
1984	44280
1985	35990
1986	34870
1987	31790
1988	31720
1989	31900
1990	35240
1991	37220
1992	37760
1993	36720
1994	36070
1995	35420
1996	36080
1997	36600
1998	37200
1999	36290
2000	37070
2001	35940
2002	34440
2003	35620
2004	37090
2005	38410
2006	39460
2007	40950
2008	43640
2009	43730
2010	46180
2011	49230
2012	50630
2013	51150
2014	52150
2015	53280
2016	54430
2017	55620
2018	56840
2019	58110