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: absolute figures ;Total;Never has used method;Has used before, but not currently;Currently use one efficient method;Currently use one inefficient method; Total;5,710,847;502,448;1,238,568;3,699,004;270,827; With spouse;5,247,338;462,939;1,010,582;3,511,178;262,639; With stable partner in the household;99,783;3,671;21,296;67,607;7,209; With stable partner out of household;51,398;4,508;11,933;33,979;978; With occasional relations;21,532;..;3,064;18,467;..; Another situation;290,797;31,331;191,693;67,772;..; Notes: Source: National Statistics Institute