Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years, with less of two live births knowledge of contraceptions age actual (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;0.94;0.80;0.75;0.88;0.37;1.01;1.96;2.61; Knows at least one inefficient method, but any efficient method;0.02;..;0.11;..;..;..;..;..; Knows at least one efficient method;99.04;99.20;99.14;99.12;99.63;98.99;98.04;97.39; Knows pill;99.28;98.56;99.82;99.08;99.75;99.48;99.04;99.03; Knows IUD;90.60;79.72;92.27;93.65;94.77;95.56;94.76;87.96; Knows diaphragm, cap, vaginal sponge;79.71;71.91;81.01;80.66;85.85;82.54;82.27;73.77; Knows abstinence;80.23;65.31;79.63;85.63;86.44;85.76;89.17;86.02; Knows condom;98.97;98.64;99.53;99.48;98.90;97.81;98.87;96.64; Knows cycle and basal body temperature;55.93;33.15;47.40;61.31;74.09;72.94;77.30;69.90; Knows withdrawal;80.84;61.86;79.48;87.69;90.49;90.22;90.10;82.71; Knows vaginal wash;58.57;48.24;55.48;56.98;68.63;70.37;68.15;69.12; Knows spermicides;67.04;58.87;68.49;68.99;72.90;68.09;68.73;62.60; Knows long breastfeeding;39.45;17.83;31.03;43.22;56.81;57.16;60.40;59.35; Knows injection;49.80;37.50;42.02;52.89;59.69;62.20;68.94;59.57; Knows the morning after pill;76.11;76.47;80.96;77.39;76.16;68.60;67.96;59.16; Knows sterilization;94.11;91.13;95.24;94.66;95.18;94.22;96.53;91.44; Knows vasectomy;92.77;87.13;94.84;94.37;94.64;92.36;94.79;90.83; Knows other methods;7.97;5.53;6.26;8.83;9.15;10.94;12.29;10.77; Notes: Source: National Statistics Institute