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: Relative 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,100,88,36,6,2,3,27,2,11,0,05,
Illiterate,100,78,16,21,84,..,..,..,
Without studies,100,64,66,..,14,86,20,48,..,
Primary education and second grade, GBE or first year of GCSE,100,83,01,8,4,5,42,3,05,0,13,
Secondary Education and Post-secondary non-higher,100,92,04,4,58,1,97,1,4,..,
1º, 2º and intermediate technical-professional studies,100,94,43,3,86,1,47,0,24,..,
Higher level technical-professional studies,100,68,7,31,3,..,..,..,
First year of tertiary education,100,92,34,3,56,2,46,1,63,..,
Tertiary education, university graduates and doctors,100,91,84,6,75,0,36,1,04,..,
Notas:
Fuente: National Statistics Institute