Encuesta de Fecundidad
Knowledge and use of contraceptions. Fem. between 15-49
Females between 15 and 49 years, married sometime  religious belief    contraceptive practices. 
Unidades: absolute figures

;Total;Never has used method;Has used before, but not currently;Currently use one efficient method;Currently use one  inefficient method;
Total;5.710.847;502.448;1.238.568;3.699.004;270.827;
Catholic;5.071.794;470.277;1.090.263;3.258.659;252.595;
Practicing catholic;2.201.005;295.508;489.626;1.298.972;116.898;
Non practicing catholic;2.870.790;174.769;600.637;1.959.687;135.696;
Protestant;19.466;561;6.021;12.884;..;
Moslem;11.634;3.102;2.503;5.460;570;
Other religions;52.898;4.543;11.721;35.840;794;
Have owner beliefs;214.625;13.537;43.512;142.863;14.713;
Non-believer;184.527;305;51.296;130.770;2.155;
Does not know/ Does not answer;155.903;10.124;33.251;112.528;..;
Notas:
Fuente: National Statistics Institute