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. 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,100,0,25,1,95,46,72,17,69,16,99,0,46,6,32,9,61, Uses at least one inefficient method, but any efficient method,100,2,13,5,66,62,51,6,72,15,86,..,3,56,3,56, Uses at least one efficient method,100,0,14,1,74,45,8,18,33,17,06,0,49,6,48,9,96, Uses pill,100,0,03,0,74,39,36,22,25,18,94,0,65,6,89,11,13, Uses IUD,100,..,1,3,48,38,16,34,16,55,0,54,6,62,10,27, Uses diaphragm, cap, vaginal sponge,100,..,..,35,97,11,98,28,79,10,4,5,14,7,72, Uses abstinence,100,1,87,5,22,41,15,23,09,6,67,1,46,5,76,14,78, Uses condom,100,0,09,1,24,41,59,21,07,16,93,0,54,6,98,11,55, Uses cycle and basal body temperature,100,..,..,44,23,10,41,12,96,..,15,27,17,12, Uses withdrawal,100,1,59,5,05,60,47,10,19,14,16,..,5,29,3,26, Uses vaginal wash,100,..,..,20,56,11,9,67,54,..,..,.., Uses spermicides,100,..,..,18,72,19,99,33,09,0,54,..,27,66, Uses long breastfeeding,100,..,..,10,05,31,33,36,39,..,8,3,13,93, Uses injection,100,1,24,..,40,51,4,35,53,9,..,..,.., Uses the morning after pill,100,..,..,48,79,31,65,19,56,..,..,.., Uses sterilization,100,0,19,6,07,61,07,9,36,13,92,..,5,3,4,08, Uses vasectomy,100,..,1,19,63,94,7,88,17,67,0,13,4,98,4,21, Uses other methods,100,..,4,33,14,11,31,68,11,67,..,24,6,13,62, Notas: Fuente: National Statistics Institute