Year Measure
1764 1114
1765 1110
1766 1106
1767 1103
1768 1099
1769 1095
1770 1091
1771 1088
1772 1084
1773 1080
1774 1077
1775 1073
1776 1069
1777 1066
1778 1062
1779 1059
1780 1055
1781 1051
1782 1048
1783 1044
1784 1041
1785 1037
1786 1034
1787 1030
1788 1027
1789 1023
1790 1020
1791 1016
1792 1013
1793 1010
1794 1006
1795 1003
1796 999.3
1797 996
1798 992.6
1799 989.2
1800 985.9
1801 979.4
1802 972.9
1803 966.4
1804 960
1805 953.6
1806 947.3
1807 941
1808 934.8
1809 928.6
1810 922.4
1811 916.3
1812 910.2
1813 904.2
1814 898.2
1815 892.2
1816 886.3
1817 880.4
1818 874.6
1819 868.8
1820 863
1821 859
1822 855
1823 851
1824 847
1825 843.1
1826 839.2
1827 835.2
1828 831.3
1829 827.5
1830 823.6
1831 819.7
1832 815.9
1833 812.1
1834 808.3
1835 804.5
1836 800.8
1837 797
1838 793.3
1839 789.6
1840 785.9
1841 782.3
1842 778.6
1843 775
1844 771.4
1845 767.8
1846 764.2
1847 760.6
1848 757.1
1849 753.5
1850 750
1851 675.4
1852 608.2
1853 547.7
1854 493.2
1855 444.2
1856 400
1857 420.8
1858 442.7
1859 465.7
1860 489.9
1861 515.4
1862 542.2
1863 570.3
1864 600
1865 626.8
1866 654.7
1867 684
1868 714.5
1869 746.4
1870 779.7
1871 780.4
1872 781.2
1873 781.9
1874 782.7
1875 783.5
1876 784.2
1877 785
1878 785.8
1879 786.5
1880 787.3
1881 788.1
1882 788.9
1883 789.6
1884 790.4
1885 791.2
1886 792
1887 792.7
1888 793.5
1889 794.3
1890 795.1
1891 795.8
1892 796.5
1893 797.2
1894 797.9
1895 798.7
1896 799.4
1897 800.1
1898 800.8
1899 801.6
1900 802.3
1901 803.1
1902 803.8
1903 804.6
1904 805.4
1905 806.2
1906 807
1907 807.7
1908 808.5
1909 809.3
1910 810.1
1911 810.9
1912 811.7
1913 812.5
1914 823.4
1915 834.5
1916 845.8
1917 857.2
1918 868.7
1919 880.4
1920 892.3
1921 904.3
1922 916.5
1923 928.9
1924 941.4
1925 954.1
1926 966.9
1927 980
1928 993.2
1929 1007
1930 1016
1931 1018
1932 1043
1933 1035
1934 940.2
1935 1011
1936 1069
1937 1037
1938 1006
1939 930.7
1940 860.8
1941 796.2
1942 736.4
1943 681.2
1944 630
1945 582.7
1946 539
1947 498.5
1948 461.1
1949 426.5
1950 394.5
1951 432.3
1952 473.4
1953 486.2
1954 490.4
1955 507.6
1956 542.5
1957 560
1958 607.9
1959 604.4
1960 583
1961 486.8
1962 484.7
1963 519.8
1964 567.8
1965 617.8
1966 657.1
1967 622.5
1968 594.3
1969 627.8
1970 685.4
1971 700
1972 702.9
1973 738.2
1974 735.4
1975 767.1
1976 750.8
1977 786.9
1978 861.1
1979 915.2
1980 934.3
1981 977.5
1982 1044
1983 1107
1984 1229
1985 1338
1986 1406
1987 1530
1988 1611
1989 1615
1990 1647
1991 1732
1992 1877
1993 2036
1994 2214
1995 2521
1996 2546
1997 2653
1998 2636
1999 2784
2000 3012
2001 3310
2002 3696
2003 4229
2004 4551
2005 4909
2006 5502
2007 6249
2008 6817
2009 7409
2010 8143
2011 8858
2012 9502
2013 10210
2014 11000
2015 11880
2016 12830
2017 13850
2018 14950