Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years, use or have used contraceptions actual age (years) medical advice for use of contraceptions. Unidades: absolute figures ;Total;Does not visit a medical center;Visits a public center;Visits a private center; Total;7.376.058;3.586.955;2.488.629;1.300.474; From 15 to 19 years old;268.004;202.158;51.555;14.292; From 20 to 24 years old;936.549;589.131;262.987;84.432; From 25 to 29 years old;1.267.084;643.339;416.419;207.327; From 30 to 34 years old;1.412.495;567.937;580.973;263.584; From 35 to 39 years old;1.318.868;550.544;485.937;282.387; From 40 to 44 years old;1.186.826;527.730;394.828;264.268; 45 to 49 years;986.232;506.116;295.931;184.185; Notas: Fuente: National Statistics Institute