Year Measure 1800 914.5 1801 915.5 1802 916.5 1803 917.4 1804 918.4 1805 919.4 1806 920.3 1807 921.3 1808 922.3 1809 923.3 1810 924.2 1811 925.2 1812 926.2 1813 927.2 1814 928.2 1815 929.1 1816 930.1 1817 931.1 1818 932.1 1819 933.1 1820 934.1 1821 935.1 1822 936.1 1823 937 1824 938 1825 939 1826 940 1827 941 1828 942 1829 943 1830 944 1831 945 1832 946 1833 947 1834 948 1835 949 1836 950 1837 951 1838 952 1839 953 1840 954 1841 955.1 1842 956.1 1843 957.1 1844 958.1 1845 959.1 1846 960.1 1847 961.1 1848 962.2 1849 963.2 1850 964.2 1851 965.2 1852 966.2 1853 967.3 1854 968.3 1855 969.3 1856 970.3 1857 971.4 1858 972.4 1859 973.4 1860 974.5 1861 975.5 1862 976.5 1863 977.5 1864 978.6 1865 979.6 1866 980.7 1867 981.7 1868 982.7 1869 983.8 1870 984.8 1871 985.9 1872 986.9 1873 987.9 1874 989 1875 990 1876 991.1 1877 992.1 1878 993.2 1879 994.2 1880 995.3 1881 996.3 1882 997.4 1883 998.5 1884 999.5 1885 1001 1886 1002 1887 1003 1888 1004 1889 1005 1890 1006 1891 1007 1892 1008 1893 1009 1894 1010 1895 1011 1896 1012 1897 1013 1898 1014 1899 1015 1900 1017 1901 1018 1902 1019 1903 1020 1904 1021 1905 1022 1906 1023 1907 1024 1908 1025 1909 1026 1910 1027 1911 1028 1912 1030 1913 1031 1914 1032 1915 1033 1916 1034 1917 1035 1918 1036 1919 1037 1920 1038 1921 1039 1922 1041 1923 1042 1924 1043 1925 1044 1926 1045 1927 1046 1928 1047 1929 1048 1930 1049 1931 1050 1932 1072 1933 1093 1934 1115 1935 1138 1936 1161 1937 1184 1938 1208 1939 1233 1940 1257 1941 1283 1942 1309 1943 1335 1944 1362 1945 1390 1946 1418 1947 1446 1948 1476 1949 1505 1950 1536 1951 1581 1952 1587 1953 1664 1954 1692 1955 1768 1956 1896 1957 1996 1958 1975 1959 2018 1960 2024 1961 2081 1962 2058 1963 2029 1964 2032 1965 2112 1966 2041 1967 1979 1968 1685 1969 2180 1970 2591 1971 2725 1972 2855 1973 2842 1974 2816 1975 2749 1976 2640 1977 2397 1978 2271 1979 2278 1980 2430 1981 2633 1982 2598 1983 2536 1984 2392 1985 2462 1986 2423 1987 2364 1988 2458 1989 2506 1990 2604 1991 2678 1992 2382 1993 2357 1994 2526 1995 2484 1996 2694 1997 2720 1998 2757 1999 2700 2000 2592 2001 2612 2002 2370 2003 1962 2004 1845 2005 1737 2006 1675 2007 1612 2008 1323 2009 1391 2010 1502 2011 1626 2012 1753 2013 1785 2014 1841 2015 1902 2016 1972 2017 2031 2018 2089 2019 2149