Survey on Human Resources in Science and Technology Employment situation of the doctorate-holders Percentage of doctorate-holders, by employment situation and main labour activity at 31 December 2009. Units: percentage ,Total,Employed: Total,Employed: self-employed,Employed: employed by others,Unemployed,Inactive, ,100.00,96.10,5.85,90.25,2.08,1.82, Notes: Source: National Statistics Institute