Survey on Human Resources in Science and Technology National results Percentage of doctors, by doctoral area and sex. Units: percentage Total Males Females Total 100.00 54.23 45.77 Natural sciences 29.45 15.94 13.51 Engineering and technology 9.24 6.70 2.54 Medical sciences 22.68 11.36 11.32 Agricultural sciences 3.70 1.99 1.71 Social sciences 21.02 11.22 9.80 Humanities 13.91 7.02 6.89 Notes: Source: National Statistics Institute