TABLE 11 - REFINED LIST OF C DATA (See Figs. II, III, IV) 1740 300650 1783 300460 1843 300020 1861 300050 1874 299990 1874 299900 1876 299921 1879 299910 1882 299860 1882 299853 1883 299850 1900 299900 1902 299860 1902 299901 1906 299803 1923 299795 1924 299802 1926 299798 1928 299786 1932 299774 1936 299771 1937 299771 1940 299776 1947 299798 1947 299792 1949 299792 1949 299796 1950 299792 1950 299794 1950 299793 1951 299793 1951 299794 1951 299792 1953 299792 1954 299792 1954 299795 1955 299792 1955 299792 1956 299792 1956 299792 1956 299791 1956 299792 1956 299792 1957 299792 1958 299792 1960 299792 1966 299792 1967 299792 1967 299792 1972 299792 1972 299792 1973 299792 1973 299792 1974 299792 1978 299792 1979 299792 1983 299792