Encuesta de Fecundidad Characteristics marriages / couples and exposure to pregnancy risk. Women 15-49 years Single females with some partner by economic activityand actual age (years). Unidades: Average duration (years) ;Total;From 15 to 19 years old;From 20 to 24 years old;From 25 to 29 years old;From 30 to 34 years old;From 35 to 39 years old;From 40 to 44 years old;From 45 to 49 years old; Total;0,9;0,1;0,2;0,9;2,4;5,4;3,6;3; Employed Total;0,9;0,2;0,2;0,7;1,9;5,3;2,9;1,6; Self-employed workers;1,2;0;0,8;0,4;1,1;6,4;1,8;0,7; Total employed/employees;0,9;0,1;0,1;0,7;2;5,2;3,1;1,8; Permanent employed/employee;1;0;0,1;0,7;2,1;2,2;3,3;2,1; Temporary employed/employee;0,8;0,1;0,1;0,7;1,9;9,4;1,6;0; Employed another situation;0,5;1;0,1;0,5;1,7;2,4;0;0; Unemployed in searching for a job.;0,8;0;0,3;0,9;1,9;3,6;5;0; Students;0,1;0;0;0,4;0;0;0;0; Housework;4,9;1,3;1,3;6,1;7;9,3;17;13,5; Retired persons, pensioners;2,6;..;..;..;0;4,9;2,2;0; Another situation;0,8;1,4;0;0,5;3,5;0;0;0; Notas: Fuente: National Statistics Institute