Year Measure
1800 634.4
1801 634.4
1802 634.4
1803 634.4
1804 634.4
1805 634.4
1806 634.4
1807 634.4
1808 634.4
1809 634.4
1810 634.4
1811 634.4
1812 634.4
1813 634.4
1814 634.4
1815 634.4
1816 634.4
1817 634.4
1818 634.4
1819 634.4
1820 634.4
1821 636.5
1822 638.5
1823 640.6
1824 642.7
1825 644.8
1826 646.9
1827 649
1828 651.1
1829 653.2
1830 655.3
1831 657.5
1832 659.6
1833 661.7
1834 663.9
1835 666
1836 668.2
1837 670.4
1838 672.6
1839 674.8
1840 676.9
1841 679.1
1842 681.4
1843 683.6
1844 685.8
1845 688
1846 690.3
1847 692.5
1848 694.8
1849 697
1850 699.3
1851 701.6
1852 703.8
1853 706.1
1854 708.4
1855 710.7
1856 713
1857 715.3
1858 717.7
1859 720
1860 722.3
1861 724.7
1862 727
1863 729.4
1864 731.8
1865 734.2
1866 736.5
1867 738.9
1868 741.3
1869 743.8
1870 746.2
1871 748.6
1872 751
1873 753.5
1874 755.9
1875 758.4
1876 760.8
1877 763.3
1878 765.8
1879 768.3
1880 770.8
1881 773.3
1882 775.8
1883 778.3
1884 780.9
1885 783.4
1886 785.9
1887 788.5
1888 791.1
1889 793.6
1890 796.2
1891 798.8
1892 801.4
1893 804
1894 806.6
1895 809.2
1896 811.9
1897 814.5
1898 817.2
1899 819.8
1900 822.5
1901 825.2
1902 827.8
1903 830.5
1904 833.2
1905 835.9
1906 838.7
1907 841.4
1908 844.1
1909 846.9
1910 849.6
1911 852.4
1912 855.1
1913 857.9
1914 861.9
1915 865.9
1916 869.9
1917 873.9
1918 878
1919 882
1920 886.1
1921 890.2
1922 894.3
1923 898.5
1924 902.6
1925 906.8
1926 911
1927 915.2
1928 919.5
1929 923.7
1930 928
1931 932.3
1932 936.6
1933 940.9
1934 945.3
1935 949.7
1936 954.1
1937 958.5
1938 962.9
1939 967.4
1940 971.8
1941 976.3
1942 980.9
1943 985.4
1944 990
1945 994.5
1946 999.1
1947 1004
1948 1008
1949 1013
1950 1018
1951 1030
1952 1048
1953 1092
1954 1096
1955 1097
1956 1125
1957 1103
1958 1142
1959 1151
1960 1167
1961 1152
1962 1146
1963 1142
1964 1137
1965 1136
1966 1120
1967 1124
1968 1136
1969 1126
1970 1120
1971 1040
1972 994.5
1973 1080
1974 1110
1975 1138
1976 1164
1977 1056
1978 1112
1979 1087
1980 1089
1981 1205
1982 1314
1983 1362
1984 1337
1985 1293
1986 1385
1987 1146
1988 1035
1989 1010
1990 953.5
1991 948.1
1992 872.7
1993 751.1
1994 672.6
1995 808.9
1996 830.4
1997 853.8
1998 878
1999 901.8
2000 892.2
2001 799.7
2002 976.7
2003 1055
2004 1081
2005 1175
2006 1193
2007 1322
2008 1323
2009 1552
2010 1632
2011 1695
2012 1885
2013 1907
2014 1923
2015 1963
2016 2016
2017 2072
2018 2134
2019 2206