Year Measure
1800 569.1
1801 569.1
1802 569.1
1803 569.1
1804 569.1
1805 569.1
1806 569.1
1807 569.1
1808 569.1
1809 569.1
1810 569.1
1811 569.1
1812 569.1
1813 569.1
1814 569.1
1815 569.1
1816 569.1
1817 569.1
1818 569.1
1819 569.1
1820 569.1
1821 569.1
1822 569.1
1823 569.1
1824 569.1
1825 569.1
1826 569.1
1827 569.1
1828 569.1
1829 569.1
1830 569.1
1831 569.1
1832 569.1
1833 569.1
1834 569.1
1835 569.1
1836 569.1
1837 569.1
1838 569.1
1839 569.1
1840 569.1
1841 569.1
1842 569.1
1843 569.1
1844 569.1
1845 569.1
1846 569.1
1847 569.1
1848 569.1
1849 569.1
1850 569.1
1851 569.1
1852 569.1
1853 569.1
1854 569.1
1855 569.1
1856 569.1
1857 569.1
1858 569.1
1859 569.1
1860 569.1
1861 569.1
1862 569.1
1863 569.1
1864 569.1
1865 569.1
1866 569.1
1867 569.1
1868 569.1
1869 569.1
1870 569.1
1871 575.1
1872 581.2
1873 587.4
1874 593.6
1875 599.9
1876 606.3
1877 612.7
1878 619.2
1879 625.8
1880 632.4
1881 639.1
1882 645.9
1883 652.7
1884 659.6
1885 666.6
1886 673.7
1887 680.9
1888 688.1
1889 695.4
1890 702.7
1891 710.2
1892 717.7
1893 725.3
1894 733
1895 740.8
1896 748.7
1897 756.6
1898 764.6
1899 772.7
1900 780.9
1901 789.2
1902 756.7
1903 725.5
1904 695.7
1905 667
1906 639.5
1907 648.4
1908 657.3
1909 666.3
1910 675.5
1911 684.8
1912 729.2
1913 773.6
1914 822.2
1915 873.9
1916 928.7
1917 902
1918 876.1
1919 850.9
1920 826.4
1921 802.7
1922 824.6
1923 847.2
1924 870.4
1925 894.2
1926 918.7
1927 937.9
1928 957.5
1929 977.5
1930 998
1931 1019
1932 1004
1933 989.3
1934 974.8
1935 960.5
1936 946.5
1937 889.1
1938 835.2
1939 792.9
1940 752.8
1941 714.7
1942 602.9
1943 508.6
1944 429.1
1945 430.2
1946 433.5
1947 436.8
1948 440.1
1949 443.4
1950 446.8
1951 504.1
1952 507.3
1953 512.7
1954 473.5
1955 526.9
1956 552.9
1957 576.1
1958 551.3
1959 626.3
1960 636.3
1961 640.7
1962 684.6
1963 691.7
1964 691.5
1965 696.3
1966 655.1
1967 661.1
1968 691.5
1969 706.5
1970 724.4
1971 733.8
1972 725
1973 708.8
1974 732.2
1975 749.1
1976 780.9
1977 813.4
1978 853.5
1979 878.8
1980 935.1
1981 970.2
1982 1004
1983 1027
1984 1057
1985 1067
1986 1037
1987 979
1988 854.9
1989 874.5
1990 887.2
1991 870.4
1992 891.7
1993 904.2
1994 919.5
1995 933.8
1996 947.3
1997 959.3
1998 971.7
1999 998.7
2000 1034
2001 1065
2002 1098
2003 1138
2004 1175
2005 1169
2006 1296
2007 1423
2008 1445
2009 1489
2010 1538
2011 1590
2012 1657
2013 1729
2014 1807
2015 1890
2016 1980
2017 2074
2018 2175