Year Measure
1800 876.5
1801 876.5
1802 876.5
1803 876.5
1804 876.5
1805 876.5
1806 876.5
1807 876.5
1808 876.5
1809 876.5
1810 876.5
1811 876.5
1812 876.5
1813 876.5
1814 876.5
1815 876.5
1816 876.5
1817 876.5
1818 876.5
1819 876.5
1820 876.5
1821 882.3
1822 888.2
1823 894
1824 899.9
1825 905.9
1826 911.9
1827 917.9
1828 924
1829 930.1
1830 936.2
1831 942.4
1832 948.6
1833 954.9
1834 961.2
1835 967.6
1836 974
1837 980.4
1838 986.9
1839 993.4
1840 1000
1841 1007
1842 1013
1843 1020
1844 1027
1845 1033
1846 1040
1847 1047
1848 1054
1849 1061
1850 1068
1851 1075
1852 1082
1853 1089
1854 1097
1855 1104
1856 1111
1857 1118
1858 1126
1859 1133
1860 1141
1861 1148
1862 1156
1863 1164
1864 1171
1865 1179
1866 1187
1867 1195
1868 1202
1869 1210
1870 1218
1871 1226
1872 1235
1873 1243
1874 1251
1875 1259
1876 1268
1877 1276
1878 1284
1879 1293
1880 1301
1881 1310
1882 1319
1883 1327
1884 1336
1885 1345
1886 1354
1887 1363
1888 1372
1889 1381
1890 1390
1891 1399
1892 1408
1893 1418
1894 1427
1895 1436
1896 1446
1897 1456
1898 1465
1899 1475
1900 1485
1901 1494
1902 1504
1903 1514
1904 1524
1905 1534
1906 1544
1907 1555
1908 1565
1909 1575
1910 1586
1911 1596
1912 1607
1913 1617
1914 1657
1915 1698
1916 1739
1917 1782
1918 1825
1919 1870
1920 1916
1921 1963
1922 2011
1923 2060
1924 2111
1925 2163
1926 2216
1927 2270
1928 2325
1929 2382
1930 2441
1931 2501
1932 2562
1933 2625
1934 2689
1935 2755
1936 2823
1937 2892
1938 2963
1939 3035
1940 3110
1941 3186
1942 3264
1943 3344
1944 3426
1945 3510
1946 3596
1947 3684
1948 3774
1949 3867
1950 3961
1951 4059
1952 4158
1953 4260
1954 4364
1955 4471
1956 4581
1957 4693
1958 4808
1959 4926
1960 5047
1961 5170
1962 5297
1963 5427
1964 5560
1965 5696
1966 5836
1967 5979
1968 6125
1969 6276
1970 6429
1971 6953
1972 7519
1973 8135
1974 8807
1975 9544
1976 10360
1977 11250
1978 12220
1979 13250
1980 14320
1981 15420
1982 16550
1983 17770
1984 19160
1985 20820
1986 22860
1987 26900
1988 32350
1989 36300
1990 37010
1991 38310
1992 38240
1993 38480
1994 39320
1995 38600
1996 38000
1997 40310
1998 42570
1999 42560
2000 43700
2001 42450
2002 40290
2003 39250
2004 41060
2005 40740
2006 40210
2007 40560
2008 38590
2009 35570
2010 33290
2011 36020
2012 35420
2013 36080