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: Absolute 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;1.318.037;1.164.654;81.729;43.158;27.815;680; Up to 10,000 inhabitants;199.404;175.679;12.688;9.186;1.850;..; From 10,001 to 50,000 inhabitants;311.221;266.091;25.534;12.354;7.242;..; From 50,001 to 500,000 inhabitants;557.119;495.486;35.106;12.145;13.701;680; More than 500,000 inhabitants;250.293;227.397;8.401;9.472;5.022;..; Notas: Fuente: National Statistics Institute