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. 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 From 15 to 19 years old 100.00 75.43 19.24 5.33 From 20 to 24 years old 100.00 62.90 28.08 9.02 From 25 to 29 years old 100.00 50.77 32.86 16.36 From 30 to 34 years old 100.00 40.21 41.13 18.66 From 35 to 39 years old 100.00 41.74 36.84 21.41 From 40 to 44 years old 100.00 44.47 33.27 22.27 45 to 49 years 100.00 51.32 30.01 18.68 Notes: Source: National Statistics Institute