1979 10.767481 0.092872 8.8650% 1978 1.217530 0.821335 7.2813% 1977 7.735785 0.129269 6.6558% 1976 0.219765 4.550319 6.4073% 1975 2.481156 0.403038 9.8159% 1974 4.153857 0.240740 9.0909% 1973 1.551736 0.644440 6.4509% 1972 1.945589 0.513983