1982 13.888146 0.072004 6.3831% 1981 11.749646 0.085109 9.6843% 1980 0.581406 1.719969 9.0330% 1979 1.245652 0.802792 8.8650% 1978 2.481115 0.403045 7.2813% 1977 4.516875 0.221392 6.6558% 1976 7.887249 0.126787 6.4073% 1975 6.816296 0.146707 9.8159% 1974 2.288098 0.437044 9.0909% 1973 5.823540 0.171717 6.4509% 1972 1.597954 0.625800 4.7304% 1971 0.427333 2.340096 5.7132% 1970 3.206079
trialed