0.206021 6.4073% 1975 3.979992 0.251257 9.8159% 1974 4.285571 0.233341 9.0909% 1973 6.780979 0.147471 6.4509% 1972 6.940664 0.144078 4.7304% 1971 2.901943 0.344597 5.7132% 1970 0.420003 2.380937 5.5272% 1969 0.506364