0.062207 3.6576% 1983 13.852588 0.072189 3.8998% 1982 13.699008 0.072998 6.3831% 1981 13.239255 0.075533 9.6843% 1980 7.452453 0.134184 9.0330% 1979 11.070346 0.090331 8.8650% 1978 2.831373 0.353186 7.2813%