Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years, use contraceptions currently use of contraceptions level of studies. Units: absolute figures ,Total,Illiterate,Without studies,Primary education and second grade, GBE or first year of GCSE,Secondary Education and Post-secondary non-higher,1º, 2º and intermediate technical-professional studies,Higher level technical-professional studies,First year of tertiary education,Tertiary education, university graduates and doctors, Total,5,721,252,14,388,111,828,2,673,103,1,012,126,972,142,26,450,361,372,549,842, Uses at least one inefficient method, but any efficient method,316,307,6,738,17,913,197,713,21,256,50,176,..,11,255,11,257, Uses at least one efficient method,5,404,945,7,650,93,915,2,475,390,990,870,921,966,26,450,350,118,538,586, Uses pill,1,232,027,318,9,163,484,943,274,111,233,381,8,003,84,938,137,171, Uses IUD,411,728,..,5,334,199,209,67,266,68,160,2,204,27,249,42,305, Uses diaphragm, cap, vaginal sponge,10,363,..,..,3,727,1,242,2,984,1,078,532,800, Uses abstinence,197,929,3,693,10,336,81,443,45,708,13,203,2,893,11,406,29,248, Uses condom,2,627,850,2,348,32,598,1,092,939,553,784,444,931,14,198,183,554,303,499, Uses cycle and basal body temperature,46,905,..,..,20,746,4,882,6,081,..,7,164,8,032, Uses withdrawal,450,804,7,159,22,770,272,589,45,943,63,812,..,23,850,14,682, Uses vaginal wash,38,680,..,..,7,954,4,603,26,123,..,..,.., Uses spermicides,30,155,..,..,5,646,6,027,9,979,163,..,8,341, Uses long breastfeeding,11,465,..,..,1,152,3,592,4,172,..,951,1,597, Uses injection,9,513,118,..,3,854,414,5,127,..,..,.., Uses the morning after pill,6,188,..,..,3,019,1,959,1,210,..,..,.., Uses sterilization,607,184,1,174,36,851,370,799,56,858,84,541,..,32,190,24,771, Uses vasectomy,515,446,..,6,153,329,575,40,616,91,068,681,25,651,21,703, Uses other methods,32,821,..,1,421,4,630,10,397,3,829,..,8,073,4,472, Notes: Source: National Statistics Institute