Encuesta de Fecundidad
Females who got married sometime with any child live birth
Fem., 15-49 years, married sometime, at least one child live birth  level of studies  duration of protogenesic interval. 
Unidades: relative figures

,Total,Negative,From 0 to 7 months,From 8 to 11 months,From 12 to 23 months,From 24 to 35 months,From 36 to 47 months,From 48 to 59 months,60 and over,
Total,100,4,54,15,84,17,5,28,25,13,22,8,06,3,88,8,71,
Illiterate,100,3,01,18,37,18,55,39,09,9,79,11,19,..,..,
Without studies,100,6,34,16,13,27,88,30,89,7,29,8,03,0,43,3,03,
Primary education and second grade, GBE or first year of GCSE,100,5,3,17,95,20,73,28,18,11,46,7,06,2,73,6,58,
Secondary Education and Post-secondary non-higher,100,2,98,14,82,9,38,31,69,14,08,8,49,5,61,12,94,
1º, 2º and intermediate technical-professional studies,100,4,64,15,72,13,48,24,7,16,59,7,98,5,82,11,09,
Higher level technical-professional studies,100,..,8,42,..,30,93,18,63,32,33,..,9,69,
First year of tertiary education,100,1,74,9,17,13,18,31,21,16,49,11,2,5,31,11,7,
Tertiary education, university graduates and doctors,100,2,12,5,16,11,25,25,76,20,09,12,88,7,48,15,26,
Notas:
Fuente: National Statistics Institute