Year Measure
1800 1502
1801 1502
1802 1502
1803 1502
1804 1502
1805 1502
1806 1502
1807 1502
1808 1502
1809 1502
1810 1502
1811 1502
1812 1502
1813 1502
1814 1502
1815 1502
1816 1502
1817 1502
1818 1502
1819 1502
1820 1502
1821 1514
1822 1526
1823 1538
1824 1551
1825 1563
1826 1576
1827 1588
1828 1601
1829 1614
1830 1627
1831 1640
1832 1653
1833 1666
1834 1680
1835 1693
1836 1707
1837 1720
1838 1734
1839 1748
1840 1762
1841 1776
1842 1790
1843 1805
1844 1819
1845 1834
1846 1849
1847 1863
1848 1878
1849 1893
1850 1909
1851 1916
1852 1923
1853 1930
1854 1938
1855 1945
1856 1953
1857 1960
1858 1967
1859 1975
1860 1982
1861 1990
1862 1997
1863 2005
1864 2013
1865 2020
1866 2028
1867 2036
1868 2043
1869 2051
1870 2059
1871 2086
1872 2113
1873 2140
1874 2167
1875 2196
1876 2224
1877 2253
1878 2282
1879 2311
1880 2341
1881 2371
1882 2402
1883 2433
1884 2465
1885 2497
1886 2529
1887 2562
1888 2595
1889 2628
1890 2662
1891 2699
1892 2737
1893 2775
1894 2814
1895 2853
1896 2893
1897 2934
1898 2975
1899 3016
1900 3058
1901 3102
1902 3146
1903 3191
1904 3236
1905 3282
1906 3329
1907 3376
1908 3424
1909 3473
1910 3522
1911 3582
1912 3644
1913 3707
1914 3664
1915 3622
1916 3581
1917 3540
1918 3499
1919 3459
1920 3420
1921 3688
1922 3548
1923 3804
1924 4162
1925 4610
1926 4556
1927 4867
1928 5266
1929 5382
1930 5175
1931 4968
1932 4740
1933 4514
1934 4321
1935 4263
1936 4597
1937 5097
1938 5129
1939 5162
1940 5194
1941 5227
1942 5260
1943 5294
1944 5327
1945 5361
1946 5395
1947 5429
1948 5463
1949 5765
1950 6192
1951 6233
1952 6364
1953 6269
1954 6459
1955 6937
1956 7270
1957 7641
1958 8155
1959 8455
1960 9036
1961 9311
1962 9382
1963 9145
1964 9503
1965 9787
1966 10150
1967 10550
1968 11010
1969 11240
1970 11440
1971 11780
1972 12130
1973 12460
1974 12810
1975 13090
1976 13200
1977 13700
1978 13770
1979 13810
1980 14120
1981 14000
1982 14230
1983 14410
1984 14720
1985 14800
1986 15050
1987 15100
1988 15400
1989 15510
1990 15060
1991 12810
1992 11910
1993 12080
1994 12790
1995 13490
1996 14400
1997 15210
1998 15760
1999 15800
2000 15910
2001 16430
2002 17100
2003 17820
2004 18780
2005 19920
2006 21540
2007 23790
2008 25140
2009 23840
2010 24820
2011 25560
2012 25960
2013 26180
2014 26750
2015 27500
2016 28430
2017 29420
2018 30440
2019 31500