Survey on Human Resources in Science and Technology National results Relationship of doctors with research activities, by type of activity. Units: percentage Doctors carried out research activities at 31/12/2006;70.53; Doctors who were dedicated to research during the 2004-2006 period;79.85; Doctors who did not work as researchers at 31/12/2006;31.07; Notes: 1) ~'type of activity,Doctors carried out research activities at 31/12/2006 '~Percentage of the total practicing doctors Source: National Statistics Institute