1978 4.750077 0.210523 7.2813% 1977 0.346957 2.882198 6.6558% 1976 8.887187 0.112522 6.4073% 1975 0.505112 1.979759 9.8159% 1974 0.412087 2.426675 9.0909% 1973 1.414296 0.707066 6.4509% 1972 5.470634 0.182794 4.7304%