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: Absolute figures Total Single Married Widows Separated or divorced Total 10.165.237 4.454.390 5.247.338 89.042 374.467 Previously worked sometime 7.693.013 2.781.881 4.490.961 70.439 349.732 Have never worked 2.472.224 1.672.509 756.377 18.603 24.735 Notas: Fuente: National Statistics Institute