Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years AC of residence contraceptive practices. Unidades: relative figures Total Never has used method Has used before, but not currently Currently use one efficient method Currently use one inefficient method Total 100 27,44 16,28 53,17 3,11 Andalucía 100 28,64 16,05 50,29 5,02 Aragón 100 31,15 17,37 50,27 1,2 Asturias (Principado de) 100 27,33 15,58 54,37 2,73 Balears (Illes) 100 19,76 24,51 53,59 2,13 Canarias 100 22,41 16,39 57,14 4,06 Cantabria 100 33,98 14,86 50,24 0,92 Castilla y León 100 30,84 14,99 52,55 1,62 Castilla-La Mancha 100 35,56 13,95 47,35 3,14 Cataluña 100 23,59 16,52 55,93 3,96 Comunidad Valenciana 100 25,69 15,89 55,63 2,79 Extremadura 100 23,94 9,9 61,47 4,68 Galicia 100 26,74 17,63 53,54 2,09 Madrid (Comunidad de) 100 28,77 15,97 52,91 2,36 Murcia (Región de) 100 32,25 17,22 46,74 3,8 Navarra (Comunidad Foral de) 100 29,74 20,21 49,6 0,46 País Vasco 100 27,3 17,84 54,29 0,56 Rioja (La) 100 26,87 17,37 54,77 1 Ceuta 100 21,92 18,91 57,3 1,87 Melilla 100 23,6 21,05 53,79 1,56 Notas: Fuente: National Statistics Institute