Encuesta de Fecundidad
Characteristics marriages / couples and exposure to pregnancy risk. Women  15-49 years
Single females who have had a partner, who 1st relation finished   level of studies  duration of 1st 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;663.335;640.548;10.372;3.608;8.806;..;
Illiterate;..;..;..;..;..;..;
Without studies;1.226;1.226;..;..;..;..;
Primary education and second grade, GBE or first year of GCSE;187.074;170.946;6.278;1.044;8.806;..;
Secondary Education and Post-secondary non-higher;195.196;193.014;1.426;755;..;..;
1º, 2º and intermediate technical-professional studies;112.714;112.714;..;..;..;..;
Higher level technical-professional studies;520;357;163;..;..;..;
First year of tertiary education;57.475;53.757;2.505;1.213;..;..;
Tertiary education, university graduates and doctors;109.130;108.534;..;596;..;..;
Notas:
Fuente: National Statistics Institute