Survey on Human Resources in Science and Technology 
Self-assessment of the employed doctorate-holders
Degree of relationship between the doctoral studies, by field of the doctoral studies, and the main job, at 31 December 2009.
Units: percentage

	Total	High	Medium	Low	
Total	100.00	63.62	20.50	15.89	
Natural Sciences	33.49	22.52	6.29	4.69	
Engineering and Technology	8.10	5.55	1.44	1.10	
Medical Sciences	21.16	9.93	5.92	5.32	
Agricultural Sciences	2.96	1.89	0.47	0.60	
Social Sciences	20.15	15.12	3.54	1.49	
Humanities	14.13	8.60	2.85	2.68	
Notes:
Source: National Statistics Institute