Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years, use contraceptions currently use of contraceptions size of municipality of residence. Unidades: absolute figures ,Total,Up to 10,000 inhabitants,From 10,001 to 50,000 inhabitants,From 50,001 to 500,000 inhabitants,More than 500,000 inhabitants, Total,5.721.252,1.240.532,1.442.598,2.076.448,961.675, Uses at least one inefficient method, but any efficient method,316.307,111.605,79.809,87.731,37.162, Uses at least one efficient method,5.404.945,1.128.926,1.362.788,1.988.717,924.513, Uses pill,1.232.027,221.928,347.694,439.327,223.078, Uses IUD,411.728,68.013,121.430,143.650,78.634, Uses diaphragm, cap, vaginal sponge,10.363,5.650,525,4.187,.., Uses abstinence,197.929,50.904,41.085,73.156,32.784, Uses condom,2.627.850,577.994,618.952,961.852,469.052, Uses cycle and basal body temperature,46.905,1.623,15.089,19.418,10.775, Uses withdrawal,450.804,163.522,123.562,115.591,48.129, Uses vaginal wash,38.680,26.383,4.973,5.772,1.551, Uses spermicides,30.155,4.671,8.337,6.546,10.601, Uses long breastfeeding,11.465,3.113,1.706,3.163,3.483, Uses injection,9.513,3.735,3.608,1.732,439, Uses the morning after pill,6.188,1.210,1.872,3.106,.., Uses sterilization,607.184,138.662,175.750,211.184,81.588, Uses vasectomy,515.446,107.080,107.467,227.701,73.197, Uses other methods,32.821,5.357,4.680,12.633,10.152, Notas: Fuente: National Statistics Institute