Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years actual age (years) contraceptive practices. Unidades: relative figures Total Never has used method Has used before, but not currently Currently use one efficient method Currently use one inefficient method Total 100 27,44 16,28 53,17 3,11 From 15 to 19 years old 100 79,76 2,89 16,93 0,41 From 20 to 24 years old 100 41,14 10,11 47,23 1,52 From 25 to 29 years old 100 21,43 17,86 58,51 2,21 From 30 to 34 years old 100 10,72 18,84 67,28 3,16 From 35 to 39 years old 100 11,76 18,38 65,9 3,96 From 40 to 44 years old 100 11,69 18,47 65,21 4,63 45 to 49 years 100 18,93 28,49 46,03 6,54 Notas: Fuente: National Statistics Institute