Encuesta de Fecundidad
Knowledge and use of contraceptions. Fem. between 15-49
Females between 15 and 49 years, married sometime level of studies   contraceptive practices.
Units: absolute figures

;Total;Never has used method;Has used before, but not currently;Currently use one efficient method;Currently use one  inefficient method;
Total;5,710,847;502,448;1,238,568;3,699,004;270,827;
Illiterate;18,150;4,580;5,403;2,321;5,846;
Without studies;170,933;32,216;33,826;90,764;14,126;
Primary education and second grade, GBE or first year of GCSE;3,208,662;335,010;668,959;2,012,909;191,784;
Secondary Education and Post-secondary non-higher;701,148;42,138;151,436;488,348;19,226;
1º, 2º and intermediate technical-professional studies;819,493;43,830;174,779;579,473;21,411;
Higher level technical-professional studies;9,875;298;1,850;7,727;..;
First year of tertiary education;343,133;17,971;85,742;229,915;9,504;
Tertiary education, university graduates and doctors;439,454;26,404;116,574;287,546;8,929;
Notes:
Source: National Statistics Institute