Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years, use contraceptions currently use of contraceptions actual age (years). Units: absolute 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;5,721,252;229,705;775,666;979,080;1,114,490;1,044,149;938,560;639,602; Uses at least one inefficient method, but any efficient method;316,307;5,471;24,218;35,588;49,996;59,213;62,239;79,583; Uses at least one efficient method;5,404,945;224,234;751,448;943,492;1,064,494;984,936;876,321;560,020; Uses pill;1,232,027;56,535;246,744;372,800;304,578;161,699;58,291;31,380; Uses IUD;411,728;..;2,552;36,352;78,375;122,232;101,558;70,659; Uses diaphragm, cap, vaginal sponge;10,363;..;414;1,078;4,795;2,010;2,066;..; Uses abstinence;197,929;26,947;30,193;34,956;32,644;14,319;26,970;31,901; Uses condom;2,627,850;155,733;514,507;503,560;510,814;406,277;342,004;194,956; Uses cycle and basal body temperature;46,905;..;414;5,114;5,178;10,317;15,323;10,559; Uses withdrawal;450,804;13,624;50,222;58,153;71,493;91,371;77,735;88,205; Uses vaginal wash;38,680;1,725;24,818;749;2,842;2,761;2,470;3,315; Uses spermicides;30,155;1,983;2,998;2,455;8,740;6,153;2,782;5,044; Uses long breastfeeding;11,465;..;1,663;965;3,082;5,754;..;..; Uses injection;9,513;..;1,986;2,129;3,489;1,328;581;..; Uses the morning after pill;6,188;1,545;414;..;3,019;1,210;..;..; Uses sterilization;607,184;..;414;14,271;60,965;150,092;205,625;175,817; Uses vasectomy;515,446;391;1,108;12,134;108,036;162,405;155,754;75,618; Uses other methods;32,821;..;..;3,892;2,433;7,186;6,946;12,365; Notes: Source: National Statistics Institute