Encuesta de Fecundidad
Knowledge and use of contraceptions. Fem. between 15-49
Females between 15 and 49 years, have not used or use contracep., absolute fig.  level of studies  number of live births. 
Unidades: absolute figures

;Total;None;One;Two;Three;Four;Five and more;Average;
Total;2.789.179;2.349.707;127.298;210.917;74.671;13.615;12.971;0,32;
Illiterate;8.526;4.236;..;..;869;783;2.638;2,4;
Without studies;44.913;13.137;4.318;10.121;9.220;4.702;3.414;1,99;
Primary education and second grade, GBE or first year of GCSE;1.316.306;1.020.032;86.640;150.247;50.302;6.767;2.319;0,44;
Secondary Education and Post-secondary non-higher;692.578;655.287;14.103;17.204;4.252;995;736;0,1;
1º, 2º and intermediate technical-professional studies;372.085;336.690;12.366;13.327;8.144;368;1.190;0,19;
Higher level technical-professional studies;10.049;9.751;298;..;..;..;..;0,03;
First year of tertiary education;159.194;142.856;6.986;7.467;1.884;..;..;0,17;
Tertiary education, university graduates and doctors;185.529;167.717;2.587;12.552;..;..;2.674;0,22;
Notas:
Fuente: National Statistics Institute