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