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. Units: 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; Notes: Source: National Statistics Institute