The government fostered the development of consumer goods industries directed toward domestic markets by imposing high protective tariffs and other barriers to imports. The share of imports subject to licensing requirements rose from 28 percent in 1956 to an average of more than 60 percent during the 1960s and about 70 percent in the 1970s. Industry accounted for 22 percent of total output in 1950, 24 percent in 1960, and 29 percent in 1970.