Year	Measure
1800	910
1801	910
1802	910
1803	910
1804	910
1805	910
1806	910
1807	910
1808	910
1809	910
1810	910
1811	910
1812	910
1813	910
1814	910
1815	910
1816	910
1817	910
1818	910
1819	910
1820	910
1821	912
1822	914.1
1823	916.1
1824	918.2
1825	920.2
1826	922.3
1827	924.3
1828	926.4
1829	928.5
1830	930.5
1831	932.6
1832	934.7
1833	936.8
1834	938.9
1835	941
1836	943.1
1837	945.2
1838	947.3
1839	949.4
1840	951.5
1841	953.7
1842	955.8
1843	957.9
1844	960.1
1845	962.2
1846	964.4
1847	966.5
1848	968.7
1849	970.9
1850	973
1851	975.2
1852	977.4
1853	979.6
1854	981.8
1855	983.9
1856	986.1
1857	988.4
1858	990.6
1859	992.8
1860	995
1861	997.2
1862	999.4
1863	1002
1864	1004
1865	1006
1866	1008
1867	1011
1868	1013
1869	1015
1870	1017
1871	1020
1872	1022
1873	1024
1874	1027
1875	1029
1876	1031
1877	1033
1878	1036
1879	1038
1880	1040
1881	1043
1882	1045
1883	1047
1884	1050
1885	1052
1886	1054
1887	1057
1888	1059
1889	1062
1890	1064
1891	1066
1892	1069
1893	1071
1894	1073
1895	1076
1896	1078
1897	1081
1898	1083
1899	1085
1900	1088
1901	1090
1902	1093
1903	1095
1904	1098
1905	1100
1906	1103
1907	1105
1908	1108
1909	1110
1910	1112
1911	1115
1912	1117
1913	1120
1914	1122
1915	1125
1916	1127
1917	1130
1918	1133
1919	1135
1920	1138
1921	1140
1922	1143
1923	1145
1924	1148
1925	1150
1926	1153
1927	1156
1928	1158
1929	1161
1930	1163
1931	1166
1932	1168
1933	1171
1934	1174
1935	1176
1936	1179
1937	1182
1938	1184
1939	1187
1940	1190
1941	1192
1942	1195
1943	1198
1944	1200
1945	1203
1946	1206
1947	1208
1948	1211
1949	1214
1950	1216
1951	1232
1952	1246
1953	1260
1954	1273
1955	1287
1956	1299
1957	1311
1958	1324
1959	1335
1960	1347
1961	1360
1962	1373
1963	1386
1964	1400
1965	1413
1966	1427
1967	1440
1968	1455
1969	1469
1970	1484
1971	1499
1972	1514
1973	1528
1974	1542
1975	1555
1976	1596
1977	1629
1978	1658
1979	1699
1980	1739
1981	1769
1982	1784
1983	1795
1984	1808
1985	1823
1986	1827
1987	1831
1988	1835
1989	1840
1990	1844
1991	1847
1992	1891
1993	2025
1994	2091
1995	2142
1996	2138
1997	2194
1998	2204
1999	2316
2000	2388
2001	2462
2002	2542
2003	2624
2004	2725
2005	2848
2006	3048
2007	3237
2008	3436
2009	3640
2010	3879
2011	4133
2012	4375
2013	4646
2014	4900
2015	5184
2016	5494
2017	5806
2018	6123
2019	6461