Year % of value added in manufacturing 1963 22.282828282828284 1964 24.10371318822023 1965 30.096080735466924 1966 24.370725352440328 1967 24.817868865583222 1968 22.232259359630632 1969 23.8535513511971 1970 23.189695666147493 1971 24.13491821599106 1972 23.17306378909985 1973 28.975342281427658 1974 27.988077496274215 1975 29.913816723540986 1976 35.700233735878456 1977 43.086552957521654 1978 48.355311035426304 1979 44.028659716798536 1980 40.160837334726054 1981 48.55706808407044 1982 49.65835560384913 1983 56.2716843746339 1984 58.687254221605365 1985 59.131722872268625 1986 52.629506573766434 1987 51.79794743802268 1998 51.797947420113076 1999 51.797947459806245 2000 51.79794734224134 2001 51.797947401185375