Year % of value added in manufacturing 1968 15.97943001763526 1971 13.836675960068352 1972 12.903519555616263 1973 13.313137163180599 1974 14.703552674039958 1975 14.620727426622521 1976 12.913890863405683 1977 11.300595849599343 1978 11.301922794657273 1979 9.778731429977176 1980 10.323555331738637 1981 9.080841638981173 1982 8.848649619123343 1983 9.477138875151732 1984 11.457802052839925 1985 10.974820174937964 1986 9.632290850206472 1987 7.838875063712409 1988 10.830675784881953