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