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