Encuesta de Fecundidad
Knowledge and use of contraceptions. Fem. between 15-49
Females between 15 and 49 years,   non knowledge of contraceptions  occupational history  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;
Previously worked  sometime;100;55,1;9,24;25,47;8,3;..;1,89;
Have never worked;100;69,35;9,45;8,55;9,2;3,44;..;
Notas:
Fuente: National Statistics Institute