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.
Units: relative figures

;Total;None;One;Two;Three;Four;Five and more;
Total;100.00;60.56;9.32;18.99;8.64;1.32;1.16;
Previously worked  sometime;100.00;55.10;9.24;25.47;8.30;..;1.89;
Have never worked;100.00;69.35;9.45;8.55;9.20;3.44;..;
Notes:
Source: National Statistics Institute