Survey on Human Resources in Science and Technology Employment situation of the doctorate-holders Percentage of doctorate-holders, by field of the doctoral studies and employment situation at 31 December 2009. Units: percentage ;Total;Employed;Unemployed;Inactive; Total;100.00;96.10;2.08;1.82; Natural Sciences;33.27;32.19;0.93;0.16; Engineering and Technology;8.01;7.78;0.12;0.11; Medical Sciences;20.89;20.34;0.25;0.30; Agricultural Sciences;2.98;2.85;0.14;0.00; Social Sciences;20.14;19.37;0.28;0.49; Humanities;14.70;13.58;0.35;0.77; Notes: Source: National Statistics Institute