Survey on Human Resources in Science and Technology Characteristics of the Doctorate Percentage of doctorate-holders, by main source of financing and field of the doctoral studies. Units: percentage ;Total;Natural Sciences;Engineering and Technology;Medical Sciences;Agricultural Sciences;Social Sciences;Humanities; Total;100.00;33.27;8.01;20.89;2.98;20.14;14.70; Grant from the Public Administration;34.05;17.42;2.09;4.36;1.51;4.87;3.81; Grant from another type of Spanish institution;4.35;1.91;0.42;0.72;0.15;0.68;0.47; Grant from a foreign Public Administration;0.65;0.46;0.03;0.05;0.03;0.03;0.05; Grant from another type of foreign institution;0.64;0.37;0.06;0.12;0.03;0.00;0.05; Worked as a teacher and/or research assistant;22.92;6.44;3.39;1.59;0.58;7.08;3.85; Another occupation;17.09;2.47;1.19;6.03;0.40;4.00;3.00; Subsidy paid by the employer;0.66;0.32;0.07;0.18;0.00;0.04;0.05; Loans, personal savings and/or family assistance;14.95;2.77;0.46;5.81;0.19;2.99;2.72; Other types;4.67;1.11;0.29;2.01;0.10;0.46;0.70; Notes: Source: National Statistics Institute