7.2813% 1977 0.274206 3.646899 6.6558% 1976 8.644049 0.115687 6.4073% 1975 0.593003 1.686332 9.8159% 1974 0.412087 2.426675 9.0909% 1973 6.780979 0.147471 6.4509% 1972 5.344973 0.187092 4.7304% 1971 5.549816 0.180186 5.7132% 1970 0.192493 5.194986
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