Encuesta de Fecundidad
Single females with stable partner sometime, with any child live birth
Single Females, with stable partner sometime, with any child live birth  level of studies  interval between 1st union and 1st live birth . 
Unidades: absolute 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;Average;
Total;224.872;12.637;12.538;16.378;43.738;35.122;24.402;18.876;61.182;41,89;
Illiterate;6.243;..;..;..;3.576;1.984;118;565;..;25,82;
Without studies;6.229;..;..;..;604;1.226;3.787;..;613;43,89;
Primary education and second grade, GBE or first year of GCSE;130.839;10.459;7.329;10.942;29.934;27.125;9.961;11.824;23.264;30,06;
Secondary Education and Post-secondary non-higher;32.125;2.178;1.709;3.753;4.348;1.519;4.745;4.758;9.116;46,24;
1º, 2º and intermediate technical-professional studies;27.820;..;2.820;772;3.916;2.451;4.952;..;12.909;59,46;
Higher level technical-professional studies;357;..;..;..;..;..;..;..;357;72;
First year of tertiary education;4.758;..;..;..;..;..;839;922;2.997;114,01;
Tertiary education, university graduates and doctors;16.501;..;680;911;1.360;817;..;806;11.926;81,48;
Notas:
Fuente: National Statistics Institute