The government of President Turbay Ayala (1978–82) emphasized research in farming, in order to help raise agricultural production. The Academy of Exact, Physical, and Natural Sciences (founded in 1933) and the National Academy of Medicine (founded in 1890), are both located in Bogotá. As of 1996, there were 24 specialized agricultural, medical, scientific, and technical learned societies, and 13 scientific research institutes in Colombia, and the country had 43 universities offering degrees in basic and applied sciences. In 1987–97, science and engineering students accounted for 28% of college and university enrollments.