Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years knowledge of contraceptions level of studies. Unidades: relative 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,100,0,39,2,08,46,75,17,64,15,63,0,4,7,37,9,74, Does not know any method,100,9,37,3,12,54,69,10,94,14,06,..,7,81,.., Knows at least one inefficient method, but any efficient method,100,..,..,50,50,..,..,..,.., Knows at least one efficient method,100,0,31,2,07,46,69,17,69,15,64,0,4,7,37,9,83, Knows pill,100,0,19,1,8,46,55,19,52,16,03,0,38,6,28,9,25, Knows IUD,100,0,09,1,43,45,13,20,04,16,39,0,42,6,72,9,78, Knows diaphragm, cap, vaginal sponge,100,0,03,0,92,41,86,21,67,16,87,0,37,7,47,10,81, Knows abstinence,100,0,16,1,41,42,33,21,19,16,44,0,38,7,19,10,89, Knows condom,100,0,22,1,85,46,49,19,51,15,97,0,39,6,28,9,29, Knows cycle and basal body temperature,100,0,01,0,71,38,21,21,52,17,24,0,44,9,12,86, Knows withdrawal,100,0,16,1,56,43,16,20,3,16,72,0,39,7,08,10,63, Knows vaginal wash,100,0,04,0,85,39,83,20,78,17,49,0,3,8,46,12,23, Knows spermicides,100,0,04,0,68,37,98,22,64,17,98,0,38,8,28,12,03, Knows long breastfeeding,100,0,16,1,22,40,53,18,88,17,68,0,41,8,76,12,37, Knows injection,100,0,07,1,3,44,1,18,55,16,9,0,39,8,11,10,59, Knows the morning after pill,100,0,05,0,76,38,73,22,72,17,73,0,37,7,8,11,85, Knows sterilization,100,0,15,1,59,45,93,19,65,16,25,0,38,6,5,9,55, Knows vasectomy,100,0,12,1,52,45,61,19,94,16,29,0,38,6,56,9,58, Knows other methods,100,0,07,0,71,35,19,18,18,59,0,19,10,96,15,29, Notas: Fuente: National Statistics Institute