Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years cohabitation situation contraceptive practices. Unidades: absolute figures ;Total;Never has used method;Has used before, but not currently;Currently use one efficient method;Currently use one inefficient method; Total;10.165.237;2.789.179;1.654.807;5.404.945;316.307; With spouse;5.247.338;462.939;1.010.582;3.511.178;262.639; With stable partner in the household;386.866;21.023;62.273;285.324;18.246; With stable partner out of household;1.617.623;408.166;66.955;1.122.709;19.794; With occasional relations;419.345;116.288;45.405;242.903;14.748; Another situation;2.494.064;1.780.763;469.592;242.829;880; Notas: Fuente: National Statistics Institute