Year Measure
1800 1050
1801 1054
1802 1058
1803 1061
1804 1065
1805 1069
1806 1073
1807 1077
1808 1081
1809 1084
1810 1088
1811 1092
1812 1096
1813 1100
1814 1104
1815 1108
1816 1112
1817 1116
1818 1120
1819 1124
1820 1128
1821 1132
1822 1136
1823 1140
1824 1144
1825 1149
1826 1153
1827 1157
1828 1161
1829 1165
1830 1169
1831 1174
1832 1178
1833 1182
1834 1186
1835 1191
1836 1195
1837 1199
1838 1203
1839 1208
1840 1212
1841 1217
1842 1221
1843 1225
1844 1230
1845 1234
1846 1239
1847 1243
1848 1247
1849 1252
1850 1256
1851 1261
1852 1266
1853 1270
1854 1275
1855 1279
1856 1284
1857 1288
1858 1293
1859 1298
1860 1302
1861 1307
1862 1312
1863 1316
1864 1321
1865 1326
1866 1331
1867 1336
1868 1340
1869 1345
1870 1350
1871 1369
1872 1389
1873 1409
1874 1430
1875 1450
1876 1471
1877 1492
1878 1514
1879 1536
1880 1558
1881 1580
1882 1603
1883 1626
1884 1650
1885 1674
1886 1698
1887 1722
1888 1747
1889 1772
1890 1798
1891 1824
1892 1850
1893 1877
1894 1904
1895 1932
1896 1959
1897 1988
1898 2016
1899 2046
1900 2075
1901 2105
1902 2135
1903 2166
1904 2198
1905 2229
1906 2261
1907 2294
1908 2327
1909 2361
1910 2395
1911 2429
1912 2464
1913 2500
1914 2379
1915 2263
1916 2154
1917 2049
1918 1950
1919 2054
1920 2163
1921 2279
1922 2400
1923 2383
1924 2367
1925 2350
1926 2299
1927 2249
1928 2200
1929 2040
1930 1892
1931 1755
1932 1628
1933 1510
1934 1400
1935 1379
1936 1357
1937 1337
1938 1316
1939 1296
1940 1276
1941 1257
1942 1238
1943 1219
1944 1200
1945 1208
1946 1216
1947 1225
1948 1233
1949 1242
1950 1250
1951 1257
1952 1264
1953 1271
1954 1278
1955 1286
1956 1293
1957 1300
1958 1457
1959 1633
1960 1831
1961 2052
1962 2300
1963 3000
1964 5097
1965 8660
1966 14710
1967 25000
1968 30040
1969 36100
1970 43390
1971 42000
1972 40300
1973 61700
1974 151000
1975 169700
1976 167000
1977 169200
1978 144600
1979 160900
1980 184600
1981 183100
1982 159700
1983 146300
1984 141200
1985 130600
1986 101100
1987 102200
1988 83380
1989 92870
1990 115700
1991 110500
1992 108300
1993 104000
1994 105700
1995 107300
1996 107800
1997 110400
1998 104900
1999 102800
2000 108900
2001 106700
2002 106200
2003 110500
2004 111500
2005 103100
2006 96400
2007 83660
2008 73610
2009 61730
2010 57380
2011 56380
2012 57120
2013 58100
2014 58860
2015 59540
2016 60150
2017 60790
2018 61490
2019 62150