Year	Measure
1800	895
1801	896.5
1802	898.1
1803	899.6
1804	901.1
1805	902.7
1806	904.2
1807	905.7
1808	907.3
1809	908.8
1810	910.4
1811	911.9
1812	913.5
1813	915.1
1814	916.6
1815	918.2
1816	919.7
1817	921.3
1818	922.9
1819	924.5
1820	926
1821	927.6
1822	929.2
1823	930.8
1824	932.4
1825	934
1826	935.6
1827	937.2
1828	938.8
1829	940.4
1830	942
1831	943.6
1832	945.2
1833	946.8
1834	948.4
1835	950
1836	951.6
1837	953.3
1838	954.9
1839	956.5
1840	958.2
1841	959.8
1842	961.4
1843	963.1
1844	964.7
1845	966.4
1846	968
1847	969.7
1848	971.3
1849	973
1850	974.6
1851	976.3
1852	978
1853	979.6
1854	981.3
1855	983
1856	984.7
1857	986.3
1858	988
1859	989.7
1860	991.4
1861	993.1
1862	994.8
1863	996.5
1864	998.2
1865	999.9
1866	1002
1867	1003
1868	1005
1869	1007
1870	1008
1871	1010
1872	1012
1873	1014
1874	1015
1875	1017
1876	1019
1877	1021
1878	1022
1879	1024
1880	1026
1881	1028
1882	1029
1883	1031
1884	1033
1885	1035
1886	1036
1887	1038
1888	1040
1889	1042
1890	1043
1891	1045
1892	1047
1893	1049
1894	1051
1895	1052
1896	1054
1897	1056
1898	1058
1899	1060
1900	1061
1901	1063
1902	1065
1903	1067
1904	1069
1905	1070
1906	1072
1907	1074
1908	1076
1909	1078
1910	1080
1911	1081
1912	1083
1913	1085
1914	1087
1915	1089
1916	1091
1917	1093
1918	1094
1919	1096
1920	1098
1921	1100
1922	1102
1923	1104
1924	1106
1925	1108
1926	1109
1927	1111
1928	1113
1929	1115
1930	1117
1931	1119
1932	1121
1933	1123
1934	1125
1935	1127
1936	1129
1937	1130
1938	1132
1939	1134
1940	1136
1941	1138
1942	1140
1943	1142
1944	1144
1945	1146
1946	1148
1947	1150
1948	1152
1949	1154
1950	1156
1951	1152
1952	1150
1953	1151
1954	1197
1955	1076
1956	1136
1957	1126
1958	1233
1959	1104
1960	1222
1961	1314
1962	1401
1963	1486
1964	1567
1965	1641
1966	1737
1967	1811
1968	1884
1969	1957
1970	2028
1971	2089
1972	2093
1973	2085
1974	2157
1975	2218
1976	2192
1977	2625
1978	2620
1979	2962
1980	2857
1981	2509
1982	2539
1983	2401
1984	2217
1985	2378
1986	2193
1987	2081
1988	2073
1989	2090
1990	2001
1991	1984
1992	1960
1993	1944
1994	1950
1995	1951
1996	1941
1997	1921
1998	1930
1999	1941
2000	1915
2001	1940
2002	1947
2003	2046
2004	2107
2005	2139
2006	2365
2007	2385
2008	2569
2009	2649
2010	2720
2011	2801
2012	2593
2013	2642
2014	2719
2015	2813
2016	2912
2017	3030
2018	3155
2019	3286