Year	Measure
1800	790.3
1801	791.2
1802	792
1803	792.8
1804	793.6
1805	794.5
1806	795.3
1807	796.1
1808	797
1809	797.8
1810	798.6
1811	799.5
1812	800.3
1813	801.1
1814	802
1815	802.8
1816	803.6
1817	804.5
1818	805.3
1819	806.1
1820	807
1821	812.1
1822	817.2
1823	822.4
1824	827.6
1825	832.9
1826	838.1
1827	843.4
1828	848.8
1829	854.2
1830	859.6
1831	865
1832	870.5
1833	876
1834	881.5
1835	887.1
1836	892.7
1837	898.4
1838	904.1
1839	909.8
1840	915.6
1841	921.4
1842	927.2
1843	933.1
1844	939
1845	944.9
1846	950.9
1847	956.9
1848	963
1849	969.1
1850	975.2
1851	981.4
1852	987.6
1853	993.9
1854	1000
1855	1007
1856	1013
1857	1019
1858	1026
1859	1032
1860	1039
1861	1045
1862	1052
1863	1059
1864	1065
1865	1072
1866	1079
1867	1086
1868	1093
1869	1100
1870	1106
1871	1113
1872	1121
1873	1128
1874	1135
1875	1142
1876	1149
1877	1156
1878	1164
1879	1171
1880	1179
1881	1186
1882	1194
1883	1201
1884	1209
1885	1216
1886	1169
1887	1367
1888	1315
1889	1223
1890	1218
1891	1116
1892	1221
1893	1384
1894	1574
1895	1456
1896	1604
1897	1577
1898	1619
1899	1718
1900	1681
1901	1723
1902	1872
1903	1743
1904	1928
1905	1706
1906	1631
1907	1567
1908	1711
1909	1777
1910	1896
1911	1752
1912	1892
1913	1988
1914	1898
1915	1954
1916	1737
1917	1525
1918	1220
1919	1123
1920	1459
1921	1678
1922	1930
1923	2065
1924	2100
1925	2199
1926	2259
1927	2415
1928	2557
1929	2566
1930	2517
1931	2437
1932	2408
1933	2551
1934	2822
1935	2920
1936	3096
1937	3250
1938	3390
1939	3218
1940	3041
1941	2984
1942	2928
1943	2873
1944	2819
1945	2766
1946	2714
1947	3016
1948	3407
1949	3722
1950	4031
1951	3981
1952	4166
1953	4274
1954	4407
1955	4700
1956	5059
1957	5073
1958	5358
1959	5205
1960	5597
1961	5813
1962	5874
1963	5654
1964	6297
1965	6574
1966	6815
1967	7041
1968	7380
1969	7413
1970	7909
1971	8040
1972	8005
1973	8596
1974	8940
1975	9476
1976	9881
1977	10070
1978	10260
1979	10750
1980	11130
1981	11530
1982	11730
1983	12270
1984	12900
1985	12770
1986	13300
1987	13530
1988	14130
1989	14850
1990	13730
1991	12040
1992	8269
1993	7996
1994	8293
1995	8323
1996	8722
1997	9602
1998	10220
1999	10790
2000	11630
2001	12630
2002	13570
2003	14620
2004	15980
2005	17770
2006	19940
2007	22050
2008	21490
2009	17920
2010	18100
2011	19520
2012	20860
2013	21790
2014	22680
2015	23740
2016	24810
2017	25910
2018	27030
2019	28190