Survey on Human Resources in Science and Technology 
National results
Degree of relationship between the main job and the doctoral  studies, by doctoral area.
Units: percentage

	Total	High	Intermediate	Low	
Total	100.00	60.65	21.82	17.53	
Natural sciences	29.14	18.67	5.63	4.84	
Engineering and technology	9.38	6.25	1.64	1.49	
Medical sciences	22.91	10.44	6.74	5.73	
Agricultural sciences	3.75	2.29	0.68	0.78	
Social sciences	21.27	15.29	3.89	2.09	
Humanities	13.55	7.71	3.24	2.60	
Notes:
Source: National Statistics Institute