Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years, married sometime cohabitation situation contraceptive practices. Units: relative figures ;Total;Never has used method;Has used before, but not currently;Currently use one efficient method;Currently use one inefficient method; Total;100.00;8.80;21.69;64.77;4.74; With spouse;100.00;8.82;19.26;66.91;5.01; With stable partner in the household;100.00;3.68;21.34;67.75;7.22; With stable partner out of household;100.00;8.77;23.22;66.11;1.90; With occasional relations;100.00;..;14.23;85.77;..; Another situation;100.00;10.77;65.92;23.31;..; Notes: Source: National Statistics Institute