Year Measure
1800 1056
1801 1056
1802 1056
1803 1056
1804 1056
1805 1056
1806 1056
1807 1056
1808 1056
1809 1056
1810 1056
1811 1056
1812 1056
1813 1056
1814 1056
1815 1056
1816 1056
1817 1056
1818 1056
1819 1056
1820 1056
1821 1060
1822 1065
1823 1069
1824 1073
1825 1077
1826 1082
1827 1086
1828 1090
1829 1094
1830 1099
1831 1103
1832 1107
1833 1112
1834 1116
1835 1120
1836 1125
1837 1129
1838 1134
1839 1138
1840 1143
1841 1147
1842 1152
1843 1156
1844 1161
1845 1165
1846 1170
1847 1175
1848 1179
1849 1184
1850 1189
1851 1193
1852 1198
1853 1203
1854 1207
1855 1212
1856 1217
1857 1222
1858 1227
1859 1231
1860 1236
1861 1241
1862 1246
1863 1251
1864 1256
1865 1261
1866 1266
1867 1271
1868 1276
1869 1281
1870 1286
1871 1296
1872 1306
1873 1316
1874 1326
1875 1336
1876 1347
1877 1357
1878 1368
1879 1378
1880 1389
1881 1400
1882 1410
1883 1421
1884 1432
1885 1443
1886 1454
1887 1466
1888 1477
1889 1488
1890 1500
1891 1512
1892 1523
1893 1535
1894 1547
1895 1559
1896 1571
1897 1583
1898 1595
1899 1608
1900 1620
1901 1633
1902 1645
1903 1658
1904 1671
1905 1684
1906 1697
1907 1710
1908 1723
1909 1736
1910 1750
1911 1763
1912 1777
1913 1791
1914 1819
1915 1848
1916 1877
1917 1906
1918 1937
1919 1967
1920 1998
1921 2030
1922 2062
1923 2094
1924 2127
1925 2161
1926 2195
1927 2230
1928 2265
1929 2300
1930 2337
1931 2374
1932 2411
1933 2449
1934 2488
1935 2527
1936 2567
1937 2607
1938 2649
1939 2690
1940 2733
1941 2776
1942 2820
1943 2864
1944 2909
1945 2955
1946 3002
1947 3049
1948 3097
1949 3146
1950 3196
1951 3386
1952 3648
1953 4988
1954 5771
1955 5384
1956 5598
1957 5389
1958 5841
1959 5912
1960 6408
1961 6938
1962 7069
1963 6729
1964 7299
1965 7704
1966 7847
1967 7413
1968 8444
1969 8444
1970 8137
1971 8394
1972 7936
1973 9342
1974 10280
1975 11390
1976 12910
1977 12550
1978 14340
1979 18160
1980 18070
1981 14670
1982 13820
1983 11760
1984 11650
1985 11710
1986 12100
1987 14250
1988 14420
1989 12640
1990 12320
1991 4009
1992 4832
1993 7004
1994 6246
1995 4887
1996 7031
1997 8383
1998 10940
1999 12910
2000 12750
2001 12700
2002 11280
2003 7125
2004 10990
2005 11050
2006 11740
2007 11610
2008 12050
2009 12310
2010 12700
2011 13250
2012 14160
2013 14300
2014 14680
2015 15200
2016 15970
2017 16880
2018 17940
2019 19040