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: absolute figures

	Total	From 15 to 29 years old	From 30 to 39 years old	From 40 to 49 years old	
Failure of contraception used	174.190	8.661	54.526	111.003	
Lack of knowledge of contraceptions	56.406	697	3.021	52.687	
Others	67.690	6.591	20.701	40.398	
Notas:
Fuente: National Statistics Institute