2.176308 9.0330% 1979 11.228966 0.089055 8.8650% 1978 9.256825 0.108028 7.2813% 1977 5.516339 0.181280 6.6558% 1976 2.319850 0.431062 6.4073% 1975 7.906295 0.126481 9.8159% 1974 7.941187 0.125926 9.0909% 1973