Year % of value added in manufacturing 1963 18.563521435823535 1964 23.773889917346754 1965 26.131264560404883 1966 26.06530160486995 1968 31.32789650227728 1969 30.146679442765535 1970 28.363036303630363 1971 29.68075145730768 1972 28.086179905621066 1973 32.29418972444647 1974 28.228463117467882 1975 29.892864465860157 1981 34.966587364313405 1982 35.20528911486724 1983 36.76863597387805 1984 37.39157211845557 1985 37.44076827707406 1986 36.684238374257774 1987 37.60618291982884 1988 36.11035137522674 1989 37.52826649621192 1990 37.318282912172755 1991 33.17498782629577 1992 32.247996401764 1993 31.07018066404686 1994 31.038317784627402 1995 29.85467969446513 1996 29.61968994927101