8.412871 0.118865 6.4073% 1975 7.231795 0.138278 9.8159% 1974 3.698714 0.270364 9.0909% 1973 6.599627 0.151524 6.4509% 1972 0.221641 4.511797 4.7304% 1971 6.529425 0.153153 5.7132% 1970 5.000240 0.199990