Encuesta de Fecundidad Characteristics marriages / couples and exposure to pregnancy risk. Women 15-49 years Females between 15 and 49 years occupational history cohabitation situation. Unidades: Absolute figures ,Total,With spouse,With stable partner in the household,With stable partner out of household,With occasional relations,Another situation, Total,10.165.237,5.247.338,386.866,1.617.623,419.345,2.494.064, Previously worked sometime,7.693.013,4.490.961,359.502,1.158.375,286.459,1.397.716, Have never worked,2.472.224,756.377,27.364,459.249,132.886,1.096.348, Notas: Fuente: National Statistics Institute