Encuesta de Fecundidad Characteristics marriages / couples and exposure to pregnancy risk. Women 15-49 years Females married sometime or with a partner, who 1st marriage or rel. finished size of municipality of residence duration of 1st marriage or with a partner (years). Unidades: Relative figures ;Total;Under 5 years old;From 5 to 9 years old;From 10 to 14 years old;From 15 to 19 years old;20 years old and over; Total;100;88,36;6,2;3,27;2,11;0,05; Up to 10,000 inhabitants;100;88,1;6,36;4,61;0,93;..; From 10,001 to 50,000 inhabitants;100;85,5;8,2;3,97;2,33;..; From 50,001 to 500,000 inhabitants;100;88,94;6,3;2,18;2,46;0,12; More than 500,000 inhabitants;100;90,85;3,36;3,78;2,01;..; Notas: Fuente: National Statistics Institute