Encuesta de Fecundidad
Characteristics marriages / couples and exposure to pregnancy risk. Women  15-49 years
Females married sometime or with a partner, who 1st marriage or relation finished  level of studies  duration of 1st marriage  or relation (years). 
Unidades: Absolute figures

;Total;Under 5 years old;From 5 to 9 years old;From 10 to 14 years old;From 15 to 19 years old;20 years old and over;
Total;1.318.037;1.164.654;81.729;43.158;27.815;680;
Illiterate;4.852;3.792;1.060;..;..;..;
Without studies;18.455;11.933;..;2.742;3.780;..;
Primary education and second grade, GBE or first year of GCSE;525.828;436.479;44.172;28.481;16.016;680;
Secondary Education and Post-secondary non-higher;302.182;278.136;13.842;5.962;4.242;..;
1º, 2º and intermediate technical-professional studies;204.944;193.531;7.913;3.008;491;..;
Higher level technical-professional studies;520;357;163;..;..;..;
First year of tertiary education;96.074;88.715;3.422;2.368;1.569;..;
Tertiary education, university graduates and doctors;165.181;151.710;11.158;596;1.718;..;
Notas:
Fuente: National Statistics Institute