Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years, have not used or use contraceptions byeconomic activity and number of live births. Unidades: relative figures ;Total;None;One;Two;Three;Four;Five and more; Total;100;84,24;4,56;7,56;2,68;0,49;0,47; Employed Total;100;83,11;5,22;8,25;2,2;0,41;0,8; Self-employed workers;100;70,14;6,41;15,24;4,06;0,61;3,54; Total employed/employees;100;84,75;5,18;7,38;1,83;0,41;0,45; Permanent employed/employee;100;78,93;8,45;10,72;1,25;0,28;0,38; Temporary employed/employee;100;89,64;2,45;4,58;2,31;0,51;0,51; Employed another situation;100;87,11;3,41;5,97;3,51;..;..; Unemployed in searching for a job.;100;88,89;7,38;2,98;0,75;..;..; Students;100;99,52;0,21;0,27;..;..;..; Housework;100;36,86;12,77;32,73;14,45;1,79;1,38; Retired persons, pensioners;100;46,51;19,29;14,9;..;19,31;..; Another situation;100;86,4;9,83;2,87;..;..;0,9; Notas: Fuente: National Statistics Institute