3.6576% 1983 14.233244 0.070258 3.8998% 1982 13.158233 0.075998 6.3831% 1981 12.702525 0.078725 9.6843% 1980 2.153253 0.464414 9.0330% 1979 6.237953 0.160309 8.8650% 1978 0.573016 1.745152 7.2813%