Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years, married sometime economic activity 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; Employed Total;2,593,816;198,222;608,329;1,679,672;107,593; Self-employed workers;566,277;39,949;130,991;362,936;32,401; Total employed/employees;1,938,676;152,172;459,095;1,256,346;71,062; Permanent employed/employee;1,397,161;100,442;332,221;907,583;56,915; Temporary employed/employee;541,515;51,731;126,874;348,763;14,147; Employed another situation;88,863;6,100;18,243;60,389;4,130; Unemployed in searching for a job.;515,183;27,765;115,799;349,271;22,349; Students;50,325;6,701;8,992;31,565;3,068; Housework;2,408,947;260,529;457,551;1,556,108;134,760; Retired persons, pensioners;39,805;5,857;19,303;13,800;846; Another situation;102,770;3,375;28,596;68,588;2,211; Notes: Source: National Statistics Institute