Year Measure
1800 1360
1801 1362
1802 1363
1803 1365
1804 1366
1805 1368
1806 1370
1807 1371
1808 1373
1809 1375
1810 1376
1811 1378
1812 1380
1813 1381
1814 1383
1815 1384
1816 1386
1817 1388
1818 1389
1819 1391
1820 1393
1821 1408
1822 1423
1823 1438
1824 1454
1825 1469
1826 1485
1827 1501
1828 1517
1829 1533
1830 1550
1831 1567
1832 1583
1833 1600
1834 1618
1835 1635
1836 1653
1837 1670
1838 1688
1839 1707
1840 1725
1841 1743
1842 1762
1843 1781
1844 1800
1845 1820
1846 1839
1847 1859
1848 1879
1849 1899
1850 1920
1851 1940
1852 1961
1853 1982
1854 2003
1855 2025
1856 2047
1857 2069
1858 2091
1859 2114
1860 2136
1861 2159
1862 2182
1863 2206
1864 2230
1865 2254
1866 2278
1867 2302
1868 2327
1869 2352
1870 2377
1871 2403
1872 2429
1873 2455
1874 2481
1875 2508
1876 2535
1877 2562
1878 2590
1879 2618
1880 2646
1881 2674
1882 2703
1883 2732
1884 2761
1885 2791
1886 2821
1887 2851
1888 2882
1889 2913
1890 2944
1891 2976
1892 3008
1893 3040
1894 3073
1895 3106
1896 3140
1897 3173
1898 3207
1899 3242
1900 3277
1901 3312
1902 3348
1903 3384
1904 3420
1905 3457
1906 3494
1907 3532
1908 3570
1909 3608
1910 3647
1911 3686
1912 3726
1913 3766
1914 3782
1915 3798
1916 3815
1917 3831
1918 3848
1919 3864
1920 3881
1921 3898
1922 3915
1923 3932
1924 3949
1925 3966
1926 3983
1927 4000
1928 4017
1929 4035
1930 4052
1931 4070
1932 4087
1933 4105
1934 4123
1935 4141
1936 4158
1937 4176
1938 4195
1939 4213
1940 4231
1941 4249
1942 4268
1943 4286
1944 4305
1945 4323
1946 4342
1947 4361
1948 4379
1949 4398
1950 4417
1951 4360
1952 4453
1953 4430
1954 4651
1955 4678
1956 5027
1957 5481
1958 5564
1959 6453
1960 6759
1961 5824
1962 4639
1963 5722
1964 5845
1965 6052
1966 5584
1967 5905
1968 6401
1969 6815
1970 7280
1971 6473
1972 7606
1973 7628
1974 7857
1975 8163
1976 8442
1977 8929
1978 9771
1979 10330
1980 10200
1981 10190
1982 10510
1983 10720
1984 10970
1985 11050
1986 10740
1987 10390
1988 9895
1989 10120
1990 10110
1991 9748
1992 9693
1993 9279
1994 9006
1995 9168
1996 9375
1997 9322
1998 9646
1999 9810
2000 9885
2001 10200
2002 10630
2003 11250
2004 11570
2005 12080
2006 12090
2007 12290
2008 12310
2009 12290
2010 12490
2011 12610
2012 12750
2013 12960
2014 13240
2015 13520
2016 13840
2017 14180
2018 14550
2019 14940