Year	% of value added in manufacturing
1974	21.1344409956789
1975	21.425542598895277
1976	21.160687815001484
1977	20.90937612047329
1978	20.59679118385868
1979	19.1797950305883
1980	18.121307110676835
1981	19.32292131323044
1982	18.37238151625363
1983	15.671038739543572