Year Measure
1800 790.3
1801 791.2
1802 792
1803 792.8
1804 793.6
1805 794.5
1806 795.3
1807 796.1
1808 797
1809 797.8
1810 798.6
1811 799.5
1812 800.3
1813 801.1
1814 802
1815 802.8
1816 803.6
1817 804.5
1818 805.3
1819 806.1
1820 807
1821 812.1
1822 817.2
1823 822.4
1824 827.6
1825 832.9
1826 838.1
1827 843.4
1828 848.8
1829 854.2
1830 859.6
1831 865
1832 870.5
1833 876
1834 881.5
1835 887.1
1836 892.7
1837 898.4
1838 904.1
1839 909.8
1840 915.6
1841 921.4
1842 927.2
1843 933.1
1844 939
1845 944.9
1846 950.9
1847 956.9
1848 963
1849 969.1
1850 975.2
1851 981.4
1852 987.6
1853 993.9
1854 1000
1855 1007
1856 1013
1857 1019
1858 1026
1859 1032
1860 1039
1861 1045
1862 1052
1863 1059
1864 1065
1865 1072
1866 1079
1867 1086
1868 1093
1869 1100
1870 1106
1871 1113
1872 1121
1873 1128
1874 1135
1875 1142
1876 1149
1877 1156
1878 1164
1879 1171
1880 1179
1881 1186
1882 1194
1883 1201
1884 1209
1885 1216
1886 1169
1887 1367
1888 1315
1889 1223
1890 1218
1891 1116
1892 1221
1893 1384
1894 1574
1895 1456
1896 1604
1897 1577
1898 1619
1899 1718
1900 1681
1901 1723
1902 1872
1903 1743
1904 1928
1905 1706
1906 1631
1907 1567
1908 1711
1909 1777
1910 1896
1911 1752
1912 1892
1913 1988
1914 1898
1915 1954
1916 1737
1917 1525
1918 1220
1919 1123
1920 1459
1921 1678
1922 1930
1923 2065
1924 2100
1925 2199
1926 2259
1927 2415
1928 2557
1929 2566
1930 2517
1931 2437
1932 2408
1933 2551
1934 2822
1935 2920
1936 3096
1937 3250
1938 3390
1939 3218
1940 3041
1941 2984
1942 2928
1943 2873
1944 2819
1945 2766
1946 2714
1947 3016
1948 3407
1949 3722
1950 4031
1951 3981
1952 4166
1953 4274
1954 4407
1955 4700
1956 5059
1957 5073
1958 5358
1959 5205
1960 5597
1961 5813
1962 5874
1963 5654
1964 6297
1965 6574
1966 6815
1967 7041
1968 7380
1969 7413
1970 7909
1971 8040
1972 8005
1973 8596
1974 8940
1975 9476
1976 9881
1977 10070
1978 10260
1979 10750
1980 11130
1981 11530
1982 11730
1983 12270
1984 12900
1985 12770
1986 13300
1987 13530
1988 14130
1989 14850
1990 13730
1991 12040
1992 8269
1993 7996
1994 8293
1995 8323
1996 8722
1997 9602
1998 10220
1999 10790
2000 11630
2001 12630
2002 13570
2003 14620
2004 15980
2005 17770
2006 19940
2007 22050
2008 21490
2009 17920
2010 18100
2011 19520
2012 20860
2013 21790
2014 22680
2015 23740
2016 24810
2017 25910
2018 27030
2019 28190