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).
Units: 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,
Notes:
Source: National Statistics Institute