Encuesta de Fecundidad
Knowledge and use of contraceptions. Fem. between 15-49
Females between 15 and 49 years,   non knowledge of contraceptions  religious belief  number of live births. 
Unidades: relative figures

;Total;None;One;Two;Three;Four;Five and more;
Total;100;60,56;9,32;18,99;8,64;1,32;1,16;
Catholic;100;52,03;13,68;26,05;6,53;..;1,71;
Practicing catholic;100;56,85;12,42;20,9;7,4;..;2,44;
Non practicing catholic;100;40,86;16,61;38,02;4,52;..;..;
Protestant;..;..;..;..;..;..;..;
Moslem;100;31,45;..;4,98;..;63,58;..;
Other religions;..;..;..;..;..;..;..;
Have owner beliefs;100;87,36;..;..;12,64;..;..;
Non-believer;..;..;..;..;..;..;..;
Does not know/ Does not answer;100;75,72;..;8,43;15,84;..;..;
Notas:
Fuente: National Statistics Institute