1982 3.676476 0.272000 6.3831% 1981 5.340855 0.187236 9.6843% 1980 5.424164 0.184360 9.0330% 1979 9.357584 0.106865 8.8650% 1978 9.256825 0.108028 7.2813% 1977 0.253518 3.944487 6.6558% 1976 4.891608 0.204432 6.4073% 1975 4.034063