Encuesta de Fecundidad
Preferences and motivations in terms of size of the family. Females, between 15-49 years.
Females who have had more children than desired  reason why they had more children  actual age (years). 
Unidades: relative figures

,Total,From 15 to 29 years old,From 30 to 39 years old,From 40 to 49 years old,
Failure of contraception used,61,57,54,3,72,85,57,77,
Lack of knowledge of contraceptions,19,94,4,37,4,04,27,42,
Others,23,92,41,33,27,66,21,03,
Notas:
Fuente: National Statistics Institute