Year Measure
1800 986.9
1801 987.9
1802 989
1803 990
1804 991
1805 992.1
1806 993.1
1807 994.1
1808 995.2
1809 996.2
1810 997.2
1811 998.3
1812 999.3
1813 1000
1814 1001
1815 1002
1816 1003
1817 1005
1818 1006
1819 1007
1820 1008
1821 1014
1822 1020
1823 1027
1824 1033
1825 1040
1826 1047
1827 1053
1828 1060
1829 1067
1830 1073
1831 1080
1832 1087
1833 1094
1834 1101
1835 1108
1836 1115
1837 1122
1838 1129
1839 1136
1840 1143
1841 1151
1842 1158
1843 1165
1844 1173
1845 1180
1846 1187
1847 1195
1848 1202
1849 1210
1850 1218
1851 1225
1852 1233
1853 1241
1854 1249
1855 1257
1856 1265
1857 1273
1858 1281
1859 1289
1860 1297
1861 1305
1862 1314
1863 1322
1864 1330
1865 1339
1866 1347
1867 1356
1868 1364
1869 1373
1870 1382
1871 1390
1872 1399
1873 1408
1874 1417
1875 1426
1876 1435
1877 1444
1878 1453
1879 1462
1880 1472
1881 1481
1882 1490
1883 1500
1884 1509
1885 1519
1886 1460
1887 1707
1888 1642
1889 1527
1890 1521
1891 1393
1892 1525
1893 1728
1894 1965
1895 1818
1896 2003
1897 1969
1898 2022
1899 2145
1900 2099
1901 2152
1902 2338
1903 2177
1904 2407
1905 2131
1906 2036
1907 1957
1908 2137
1909 2219
1910 2367
1911 2187
1912 2363
1913 2483
1914 2371
1915 2440
1916 2169
1917 1905
1918 1524
1919 1402
1920 1822
1921 2096
1922 2410
1923 2579
1924 2623
1925 2745
1926 2820
1927 3015
1928 3192
1929 3204
1930 3143
1931 3043
1932 3007
1933 3186
1934 3524
1935 3647
1936 3866
1937 4058
1938 4233
1939 4018
1940 3797
1941 3726
1942 3656
1943 3588
1944 3520
1945 3454
1946 3389
1947 3766
1948 4255
1949 4647
1950 5034
1951 4971
1952 5202
1953 5337
1954 5503
1955 5869
1956 6318
1957 6335
1958 6691
1959 6500
1960 6989
1961 7259
1962 7334
1963 7060
1964 7864
1965 8209
1966 8510
1967 8792
1968 9215
1969 9257
1970 9876
1971 10040
1972 9996
1973 10730
1974 11000
1975 10990
1976 11460
1977 11690
1978 11940
1979 11850
1980 11830
1981 11910
1982 12170
1983 12520
1984 12630
1985 12700
1986 13180
1987 13310
1988 13550
1989 13760
1990 13420
1991 12150
1992 10650
1993 9986
1994 9986
1995 10590
1996 11210
1997 12510
1998 13280
1999 13370
2000 14520
2001 15560
2002 16800
2003 17780
2004 19390
2005 21500
2006 23720
2007 25550
2008 24510
2009 21070
2010 21780
2011 23580
2012 25370
2013 25740
2014 25430
2015 26260
2016 27190
2017 28180
2018 29230
2019 30330