Year % of value added in manufacturing 1963 12.054874489200234 1964 14.242961649301709 1965 14.714767304408738 1966 14.559324602715733 1967 16.03909465020576 1968 16.472995570942388 1969 15.382919624355187 1970 14.176103876941237 1971 15.877217423609178 1972 17.51641600416276 1973 20.68440951592843 1974 18.73207335976995 1975 15.121516067970669 1976 14.719101681615463 1977 17.137476019450826 1978 17.81183778919562 1979 19.573218776646844 1980 21.642200711665065 1981 21.310489930868652 1982 25.043526707988022 1983 26.74771227920834 1984 27.728622965557054