Year Measure
1800 732.1
1801 732.1
1802 732.1
1803 732.1
1804 732.1
1805 732.1
1806 732.1
1807 732.1
1808 732.1
1809 732.1
1810 732.1
1811 732.1
1812 732.1
1813 732.1
1814 732.1
1815 732.1
1816 732.1
1817 732.1
1818 732.1
1819 732.1
1820 732.1
1821 731.5
1822 730.9
1823 730.3
1824 729.7
1825 729.1
1826 728.4
1827 727.8
1828 727.2
1829 726.6
1830 726
1831 725.4
1832 724.8
1833 724.2
1834 723.6
1835 723
1836 722.4
1837 721.7
1838 721.1
1839 720.5
1840 719.9
1841 719.3
1842 718.7
1843 718.1
1844 717.5
1845 716.9
1846 716.3
1847 715.7
1848 715.1
1849 714.5
1850 713.9
1851 713.3
1852 712.7
1853 712.1
1854 711.5
1855 710.9
1856 710.3
1857 709.7
1858 709.1
1859 708.5
1860 707.9
1861 707.3
1862 706.7
1863 706.2
1864 705.6
1865 705
1866 704.4
1867 703.8
1868 703.2
1869 702.6
1870 702
1871 708
1872 714
1873 720.1
1874 726.2
1875 732.3
1876 738.6
1877 744.8
1878 751.2
1879 757.5
1880 764
1881 770.5
1882 777
1883 783.6
1884 790.3
1885 797
1886 803.8
1887 810.6
1888 817.5
1889 824.4
1890 831.4
1891 838.5
1892 845.6
1893 852.8
1894 860
1895 867.3
1896 874.7
1897 882.1
1898 889.6
1899 897.2
1900 904.8
1901 912.5
1902 920.2
1903 928.1
1904 935.9
1905 943.9
1906 951.9
1907 960
1908 968.1
1909 976.4
1910 984.7
1911 993
1912 1001
1913 1010
1914 1007
1915 1005
1916 1002
1917 999.1
1918 996.4
1919 993.8
1920 991.1
1921 988.4
1922 985.8
1923 983.1
1924 980.5
1925 977.8
1926 975.2
1927 972.6
1928 969.9
1929 967.3
1930 964.7
1931 962.1
1932 959.5
1933 956.9
1934 954.4
1935 951.8
1936 949.2
1937 946.7
1938 944.1
1939 941.6
1940 939
1941 936.5
1942 934
1943 931.5
1944 929
1945 926.5
1946 924
1947 921.5
1948 919
1949 916.5
1950 914.1
1951 939.4
1952 963.6
1953 989.3
1954 1017
1955 1042
1956 1061
1957 1077
1958 1090
1959 1100
1960 1110
1961 1128
1962 1230
1963 1226
1964 1244
1965 1218
1966 1193
1967 1015
1968 971.3
1969 1027
1970 1021
1971 1047
1972 1114
1973 1161
1974 1088
1975 986.1
1976 1124
1977 1136
1978 1119
1979 1104
1980 1052
1981 1065
1982 1126
1983 1162
1984 1238
1985 1282
1986 1290
1987 1307
1988 1356
1989 1384
1990 1424
1991 1477
1992 1575
1993 1671
1994 1786
1995 1924
1996 2071
1997 2207
1998 2303
1999 2382
2000 2512
2001 2654
2002 2810
2003 2982
2004 3180
2005 3411
2006 3646
2007 3908
2008 4105
2009 4273
2010 4508
2011 4717
2012 4913
2013 5126
2014 5357
2015 5603
2016 5867
2017 6149
2018 6450
2019 6766