Encuesta de Fecundidad Characteristics marriages / couples and exposure to pregnancy risk. Women 15-49 years Females between 15 and 49 years occupational history marital status. Unidades: Relative figures ,Total,Single,Married,Widows,Separated or divorced, Total,100,43,82,51,62,0,88,3,68, Previously worked sometime,100,36,16,58,38,0,92,4,55, Have never worked,100,67,65,30,6,0,75,1, Notas: Fuente: National Statistics Institute