Between years 1987-1992, technical efficiency level for the manufacturing industry varied between 93.6 % and 61.7 %. During the same period,the variation in the technical change ratio was between 15.1 % and -4.1 % while return to scales was between 1.408 % and 0.819 %.

By using the panel data acquired during 1987-1992 period from 25+ establishments, the following variables are obtained for 25 economic activities at four digit level.