1983 6.835634 0.146292 3.8998% 1982 0.705554 1.417326 6.3831% 1981 0.904717 1.105319 9.6843% 1980 10.202853 0.098012 9.0330% 1979 0.474047 2.109494 8.8650% 1978 2.481115 0.403045 7.2813% 1977 0.405891 2.463715 6.6558% 1976 2.513971 0.397777 6.4073% 1975 7.144410 0.139970 9.8159% 1974 3.624240 0.275920 9.0909% 1973 6.780979 0.147471
keeper