Four-yearly Wage Structure Survey 
Sample errors
Studies completed. National total 
Unidades: %

,Both sexes,Women,Men,
All studies,0,42,0,56,0,66,
I. Without studies,4,79,8,82,5,33,
II. Primary education,1,54,2,32,1,81,
III. Secondary education I,1,04,1,55,1,3,
IV. Secondary education II,0,99,1,23,1,42,
V. Intermediate-level vocational training and Advanced vocational training,1,69,2,23,2,08,
VI. University diploma-holders or the equivalent,1,48,1,64,2,1,
VII. University graduates, advanced engineers and doctors,1,33,1,38,1,99,
Notas:
Fuente: National Statistics Institute