Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years, use or have used contraceptions size of municipality of residence medical advice for use of contraceptions. Units: relative figures ;Total;Does not visit a medical center;Visits a public center;Visits a private center; Total;100.00;48.63;33.74;17.63; Up to 10,000 inhabitants;100.00;51.86;33.90;14.24; From 10,001 to 50,000 inhabitants;100.00;43.02;38.08;18.90; From 50,001 to 500,000 inhabitants;100.00;48.91;33.87;17.21; More than 500,000 inhabitants;100.00;52.11;26.94;20.95; Notes: Source: National Statistics Institute