1976 4.853868 0.206021 6.4073% 1975 8.013451 0.124790 9.8159% 1974 6.207021 0.161108 9.0909% 1973 6.780979 0.147471 6.4509% 1972 0.280447 3.565738 4.7304% 1971 0.301216 3.319879 5.7132% 1970 5.249882 0.190480 5.5272% 1969 1.209738 0.826626 5.5714% 1968 4.597597 0.217505 5.0148% 1967 5.358441 0.186621 2.5719% 1966 1.483017 0.674301 3.5485% 1965 0.167552 5.968299 2.7360% 1964 2.611042 0.382989 1.5423% 1963 2.473271 0.404323 1.5697% 1962 0.146201 6.839919 2.2421% 1961 1.110314 0.900646 0.9709% 1960 4.414426 0.226530 1.6442% 1959 0.806372 1.240123 2.3579% 1958 2.338595 0.427607 2.0623% 1957 3.879769 0.257747 3.5571% 1956 0.162957 6.136585 3.3098% 1955 0.934713 1.069847 3.4226% 1954 1.789116 0.558935 1.5421% 1953 2.007843 0.498047 1.5703% 1952 3.806157 0.262732 1.5948% 1951 0.151379 6.605952 5.0183% 1950 3.144854 0.317980 1.7034% 1949 3.263710 0.306400 -0.4250% 1948 1.004268 0.995750 6.7886% 1947
derricks