1983 12.223584 0.081809 3.8998% 1982 0.678417 1.474020 6.3831% 1981 14.030542 0.071273 9.6843% 1980 3.877849 0.257875 9.0330% 1979 6.442629 0.155216 8.8650% 1978 9.626153 0.103884 7.2813% 1977