Year Measure
1800 1200
1801 1201
1802 1202
1803 1203
1804 1205
1805 1206
1806 1207
1807 1208
1808 1210
1809 1211
1810 1212
1811 1214
1812 1215
1813 1216
1814 1217
1815 1219
1816 1220
1817 1221
1818 1222
1819 1224
1820 1225
1821 1233
1822 1241
1823 1248
1824 1256
1825 1264
1826 1272
1827 1280
1828 1288
1829 1297
1830 1305
1831 1313
1832 1321
1833 1330
1834 1338
1835 1347
1836 1355
1837 1364
1838 1372
1839 1381
1840 1390
1841 1399
1842 1407
1843 1416
1844 1425
1845 1434
1846 1443
1847 1453
1848 1462
1849 1471
1850 1480
1851 1490
1852 1499
1853 1509
1854 1518
1855 1528
1856 1538
1857 1547
1858 1557
1859 1567
1860 1577
1861 1587
1862 1597
1863 1607
1864 1617
1865 1627
1866 1638
1867 1648
1868 1659
1869 1669
1870 1680
1871 1690
1872 1701
1873 1712
1874 1723
1875 1733
1876 1744
1877 1755
1878 1767
1879 1778
1880 1789
1881 1800
1882 1812
1883 1823
1884 1835
1885 1846
1886 1775
1887 2076
1888 1997
1889 1857
1890 1849
1891 1694
1892 1854
1893 2101
1894 2389
1895 2211
1896 2435
1897 2394
1898 2458
1899 2608
1900 2552
1901 2615
1902 2842
1903 2646
1904 2926
1905 2590
1906 2475
1907 2379
1908 2598
1909 2697
1910 2878
1911 2659
1912 2873
1913 3018
1914 2882
1915 2966
1916 2637
1917 2315
1918 1417
1919 1222
1920 1227
1921 1123
1922 1304
1923 1502
1924 1902
1925 2377
1926 2669
1927 2780
1928 2924
1929 2958
1930 3091
1931 3119
1932 3071
1933 3187
1934 3479
1935 3978
1936 4249
1937 4601
1938 4588
1939 4774
1940 4575
1941 4489
1942 4405
1943 4322
1944 4241
1945 4162
1946 4084
1947 4537
1948 5126
1949 5599
1950 6065
1951 5989
1952 6268
1953 6430
1954 6630
1955 7071
1956 7612
1957 7632
1958 8062
1959 7831
1960 8421
1961 8746
1962 8837
1963 8506
1964 9474
1965 9890
1966 10250
1967 10590
1968 11100
1969 11150
1970 11900
1971 12100
1972 12040
1973 12930
1974 13060
1975 12860
1976 13220
1977 13290
1978 13390
1979 13100
1980 12890
1981 12790
1982 12880
1983 13060
1984 12980
1985 12870
1986 13160
1987 13100
1988 13150
1989 13170
1990 12650
1991 11190
1992 10570
1993 9649
1994 8573
1995 8021
1996 8155
1997 8407
1998 8375
1999 8694
2000 9580
2001 10860
2002 11900
2003 12980
2004 14160
2005 15530
2006 17030
2007 18330
2008 18700
2009 18680
2010 19710
2011 20770
2012 21500
2013 22460
2014 23390
2015 24480
2016 25500
2017 26520
2018 27560
2019 28630