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: 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; Employed Total;100.00;7.64;23.45;64.76;4.15; Self-employed workers;100.00;7.05;23.13;64.09;5.72; Total employed/employees;100.00;7.85;23.68;64.80;3.67; Permanent employed/employee;100.00;7.19;23.78;64.96;4.07; Temporary employed/employee;100.00;9.55;23.43;64.40;2.61; Employed another situation;100.00;6.86;20.53;67.96;4.65; Unemployed in searching for a job.;100.00;5.39;22.48;67.80;4.34; Students;100.00;13.31;17.87;62.72;6.10; Housework;100.00;10.82;18.99;64.60;5.59; Retired persons, pensioners;100.00;14.71;48.49;34.67;2.13; Another situation;100.00;3.28;27.82;66.74;2.15; Notes: Source: National Statistics Institute