Year Measure
1800 1050
1801 1050
1802 1050
1803 1050
1804 1050
1805 1050
1806 1050
1807 1050
1808 1050
1809 1050
1810 1050
1811 1050
1812 1050
1813 1050
1814 1050
1815 1050
1816 1050
1817 1050
1818 1050
1819 1050
1820 1050
1821 1054
1822 1059
1823 1064
1824 1069
1825 1073
1826 1078
1827 1083
1828 1088
1829 1093
1830 1098
1831 1102
1832 1107
1833 1112
1834 1117
1835 1122
1836 1127
1837 1132
1838 1137
1839 1143
1840 1148
1841 1153
1842 1158
1843 1163
1844 1168
1845 1174
1846 1179
1847 1184
1848 1189
1849 1195
1850 1200
1851 1205
1852 1211
1853 1216
1854 1222
1855 1227
1856 1233
1857 1238
1858 1244
1859 1249
1860 1255
1861 1260
1862 1266
1863 1272
1864 1277
1865 1283
1866 1289
1867 1295
1868 1300
1869 1306
1870 1312
1871 1318
1872 1324
1873 1313
1874 1302
1875 1292
1876 1281
1877 1271
1878 1260
1879 1250
1880 1260
1881 1296
1882 1333
1883 1371
1884 1410
1885 1450
1886 1465
1887 1480
1888 1496
1889 1511
1890 1527
1891 1543
1892 1559
1893 1575
1894 1591
1895 1608
1896 1624
1897 1641
1898 1658
1899 1675
1900 1693
1901 1710
1902 1728
1903 1746
1904 1764
1905 1783
1906 1742
1907 1750
1908 1785
1909 1762
1910 1783
1911 1811
1912 1805
1913 1827
1914 1748
1915 1785
1916 1770
1917 1712
1918 1673
1919 1722
1920 1566
1921 1578
1922 1661
1923 1748
1924 1823
1925 1833
1926 1815
1927 1827
1928 1843
1929 1837
1930 1762
1931 1779
1932 1819
1933 1869
1934 1863
1935 1894
1936 1906
1937 1912
1938 1851
1939 1801
1940 1811
1941 1803
1942 1718
1943 1726
1944 1740
1945 1774
1946 1787
1947 1799
1948 1812
1949 1824
1950 1837
1951 1832
1952 1910
1953 1957
1954 1860
1955 1813
1956 1802
1957 1842
1958 1970
1959 2005
1960 2108
1961 2157
1962 2150
1963 2171
1964 2487
1965 2549
1966 2482
1967 2406
1968 2487
1969 2639
1970 3079
1971 3113
1972 3162
1973 3116
1974 3124
1975 3211
1976 3571
1977 3764
1978 3972
1979 4281
1980 4599
1981 4570
1982 4773
1983 5058
1984 5317
1985 5551
1986 5668
1987 5783
1988 5894
1989 5939
1990 6024
1991 5977
1992 6137
1993 6215
1994 6363
1995 6557
1996 6778
1997 7040
1998 7211
1999 7532
2000 7812
2001 7959
2002 8017
2003 8138
2004 8332
2005 8561
2006 8995
2007 9472
2008 9980
2009 10270
2010 10620
2011 10630
2012 10590
2013 10600
2014 10620
2015 10840
2016 11060
2017 11280
2018 11500
2019 11730