Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years knowledge of contraceptions level of studies. Units: 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,100.00,0.39,2.08,46.75,17.64,15.63,0.40,7.37,9.74, Does not know any method,100.00,9.37,3.12,54.69,10.94,14.06,..,7.81,.., Knows at least one inefficient method, but any efficient method,100.00,..,..,50.00,50.00,..,..,..,.., Knows at least one efficient method,100.00,0.31,2.07,46.69,17.69,15.64,0.40,7.37,9.83, Knows pill,100.00,0.19,1.80,46.55,19.52,16.03,0.38,6.28,9.25, Knows IUD,100.00,0.09,1.43,45.13,20.04,16.39,0.42,6.72,9.78, Knows diaphragm, cap, vaginal sponge,100.00,0.03,0.92,41.86,21.67,16.87,0.37,7.47,10.81, Knows abstinence,100.00,0.16,1.41,42.33,21.19,16.44,0.38,7.19,10.89, Knows condom,100.00,0.22,1.85,46.49,19.51,15.97,0.39,6.28,9.29, Knows cycle and basal body temperature,100.00,0.01,0.71,38.21,21.52,17.24,0.44,9.00,12.86, Knows withdrawal,100.00,0.16,1.56,43.16,20.30,16.72,0.39,7.08,10.63, Knows vaginal wash,100.00,0.04,0.85,39.83,20.78,17.49,0.30,8.46,12.23, Knows spermicides,100.00,0.04,0.68,37.98,22.64,17.98,0.38,8.28,12.03, Knows long breastfeeding,100.00,0.16,1.22,40.53,18.88,17.68,0.41,8.76,12.37, Knows injection,100.00,0.07,1.30,44.10,18.55,16.90,0.39,8.11,10.59, Knows the morning after pill,100.00,0.05,0.76,38.73,22.72,17.73,0.37,7.80,11.85, Knows sterilization,100.00,0.15,1.59,45.93,19.65,16.25,0.38,6.50,9.55, Knows vasectomy,100.00,0.12,1.52,45.61,19.94,16.29,0.38,6.56,9.58, Knows other methods,100.00,0.07,0.71,35.00,19.18,18.59,0.19,10.96,15.29, Notes: Source: National Statistics Institute