Survey on Human Resources in Science and Technology Employment situation of the doctorate-holders Percentage of employed doctorate-holders, by field of the doctoral studies and employment sector. Units: percentage of the total employed doctorate-holders at 31/12/09 ,Total,Business,Public Administrations,Higher Education,Private Non-Profit Institutions, Total,100.00,15.14,38.36,42.68,3.82, Natural Sciences,33.49,5.62,11.11,15.08,1.67, Engineering and Technology,8.10,1.60,1.30,4.85,0.34, Medical Sciences,21.16,4.55,13.80,2.32,0.50, Agricultural Sciences,2.96,0.39,1.33,1.12,0.12, Social Sciences,20.15,1.90,5.46,12.17,0.63, Humanities,14.13,1.06,5.38,7.15,0.55, Notes: Source: National Statistics Institute