Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years knowledge of contraceptions actual age (years). Units: vertical relative figures ,Total,From 15 to 19 years old,From 20 to 24 years old,From 25 to 29 years old,From 30 to 34 years old,From 35 to 39 years old,From 40 to 44 years old,45 to 49 years, Total,100.00,100.00,100.00,100.00,100.00,100.00,100.00,100.00, Does not know any method,0.83,0.79,0.73,0.78,0.21,0.88,0.98,1.57, Knows at least one inefficient method, but any efficient method,0.03,..,0.10,..,..,..,..,0.10, Knows at least one efficient method,99.15,99.21,99.16,99.22,99.79,99.12,99.02,98.33, Knows pill,99.05,98.56,99.82,99.01,99.50,99.55,99.08,97.38, Knows IUD,91.21,79.76,92.27,93.32,93.81,95.08,93.93,88.24, Knows diaphragm, cap, vaginal sponge,77.83,71.88,80.77,79.85,83.29,81.68,75.53,68.35, Knows abstinence,80.89,65.25,79.56,84.16,85.13,86.12,83.85,80.05, Knows condom,98.75,98.65,99.53,99.36,98.66,98.69,98.07,97.93, Knows cycle and basal body temperature,58.37,33.21,47.48,59.81,70.02,70.76,65.94,59.19, Knows withdrawal,82.45,61.94,79.54,86.49,88.44,89.88,87.62,80.50, Knows vaginal wash,59.10,48.14,55.38,55.37,64.07,68.29,63.20,58.49, Knows spermicides,63.69,58.75,68.33,66.51,69.42,68.02,59.78,50.65, Knows long breastfeeding,45.60,17.92,31.16,44.27,56.45,60.25,55.70,52.99, Knows injection,52.17,37.63,42.40,53.38,59.32,62.09,58.83,50.20, Knows the morning after pill,68.80,76.52,80.74,74.60,70.18,64.83,59.51,50.35, Knows sterilization,93.91,91.15,95.21,94.24,93.98,94.93,95.17,92.07, Knows vasectomy,92.77,87.16,94.70,93.93,94.15,94.29,94.20,89.54, Knows other methods,7.98,5.64,6.51,8.56,8.79,9.21,9.74,7.14, Notes: Source: National Statistics Institute