Encuesta de Fecundidad
Females, married sometime, not pregnant, not sterilised and who can have children
Fem.marri. somet., no pregn., no ster.,and who can have children level of studies   duration of last open interval between births.
Unidades: absolute figures

;Total;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;5.212.113;1.211.340;93.514;345.294;313.324;273.922;212.189;2.762.530;92,18;
Illiterate;13.498;1.819;538;1.069;588;151;..;9.334;117,34;
Without studies;150.991;34.466;745;3.279;1.260;3.807;2.422;105.012;129,94;
Primary education and second grade, GBE or first year of GCSE;2.951.686;706.048;33.590;154.682;148.549;144.085;73.797;1.690.935;100,36;
Secondary Education and Post-secondary non-higher;647.866;106.528;12.783;59.629;52.639;35.128;34.658;346.501;91,57;
1º, 2º and intermediate technical-professional studies;756.736;206.586;20.816;58.373;55.861;53.938;60.961;300.201;69,17;
Higher level technical-professional studies;9.577;1.339;..;2.204;..;3.611;..;2.423;49,16;
First year of tertiary education;310.949;74.860;8.680;20.989;25.493;10.923;14.423;155.581;80,92;
Tertiary education, university graduates and doctors;370.810;79.694;16.362;45.070;28.935;22.279;25.928;152.542;69,39;
Notas:
Fuente: National Statistics Institute