Year Measure
1800 1226
1801 1226
1802 1226
1803 1226
1804 1226
1805 1226
1806 1226
1807 1226
1808 1226
1809 1226
1810 1226
1811 1226
1812 1226
1813 1226
1814 1226
1815 1226
1816 1226
1817 1226
1818 1226
1819 1226
1820 1226
1821 1234
1822 1242
1823 1250
1824 1258
1825 1267
1826 1275
1827 1284
1828 1292
1829 1301
1830 1309
1831 1318
1832 1327
1833 1335
1834 1344
1835 1353
1836 1362
1837 1371
1838 1380
1839 1389
1840 1398
1841 1408
1842 1417
1843 1426
1844 1436
1845 1445
1846 1455
1847 1464
1848 1474
1849 1484
1850 1494
1851 1503
1852 1513
1853 1523
1854 1533
1855 1544
1856 1554
1857 1564
1858 1574
1859 1585
1860 1595
1861 1606
1862 1616
1863 1627
1864 1638
1865 1649
1866 1660
1867 1670
1868 1682
1869 1693
1870 1704
1871 1715
1872 1726
1873 1738
1874 1749
1875 1761
1876 1772
1877 1784
1878 1796
1879 1808
1880 1820
1881 1832
1882 1844
1883 1856
1884 1868
1885 1881
1886 1893
1887 1906
1888 1918
1889 1931
1890 1944
1891 1957
1892 1969
1893 1982
1894 1996
1895 2009
1896 2022
1897 2035
1898 2049
1899 2062
1900 2076
1901 2090
1902 2104
1903 2117
1904 2131
1905 2146
1906 2160
1907 2174
1908 2188
1909 2203
1910 2217
1911 2232
1912 2247
1913 2262
1914 2289
1915 2316
1916 2344
1917 2372
1918 2400
1919 2429
1920 2458
1921 2487
1922 2517
1923 2547
1924 2578
1925 2608
1926 2640
1927 2671
1928 2703
1929 2736
1930 2768
1931 2801
1932 2835
1933 2869
1934 2903
1935 2938
1936 2973
1937 3009
1938 3045
1939 3081
1940 3118
1941 3155
1942 3193
1943 3231
1944 3270
1945 3309
1946 3348
1947 3388
1948 3429
1949 3470
1950 3512
1951 3554
1952 3596
1953 3639
1954 3683
1955 3727
1956 3771
1957 3816
1958 3862
1959 3908
1960 3955
1961 4002
1962 4050
1963 4099
1964 4148
1965 4197
1966 4247
1967 4298
1968 4350
1969 4402
1970 4454
1971 4782
1972 5030
1973 5234
1974 5521
1975 5673
1976 6039
1977 6448
1978 6963
1979 7650
1980 8325
1981 8463
1982 8369
1983 8329
1984 9245
1985 9903
1986 11150
1987 12230
1988 13450
1989 14550
1990 14890
1991 14870
1992 15220
1993 16000
1994 16590
1995 16950
1996 17820
1997 18810
1998 18740
1999 19170
2000 19740
2001 19870
2002 19820
2003 19660
2004 20900
2005 21610
2006 22180
2007 22800
2008 23220
2009 21810
2010 21390
2011 20580
2012 20010
2013 19950
2014 20090
2015 20280
2016 20520
2017 20750
2018 20960
2019 21180