Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years, non knowledge of contraceptions AC of residence number of live births. Units: relative figures ,Total,None,One,Two,Three,Four,Five and more, Total,100.00,60.56,9.32,18.99,8.64,1.32,1.16, Andalucía,100.00,35.83,19.01,35.56,..,..,9.61, Aragón,100.00,26.27,17.54,56.19,..,..,.., Asturias (Principado de),100.00,100.00,..,..,..,..,.., Balears (Illes),100.00,..,..,..,..,100.00,.., Canarias,..,..,..,..,..,..,.., Cantabria,..,..,..,..,..,..,.., Castilla y León,100.00,100.00,..,..,..,..,.., Castilla-La Mancha,100.00,53.45,..,46.55,..,..,.., Cataluña,100.00,77.16,..,9.45,13.39,..,.., Comunidad Valenciana,100.00,45.47,12.71,10.38,31.44,..,.., Extremadura,100.00,..,..,100.00,..,..,.., Galicia,100.00,..,39.66,60.34,..,..,.., Madrid (Comunidad de),100.00,60.56,10.15,19.44,9.85,..,.., Murcia (Región de),100.00,..,100.00,..,..,..,.., Navarra (Comunidad Foral de),..,..,..,..,..,..,.., País Vasco,100.00,100.00,..,..,..,..,.., Rioja (La),100.00,35.10,..,64.90,..,..,.., Ceuta,100.00,76.31,..,23.69,..,..,.., Melilla,100.00,100.00,..,..,..,..,.., Notes: Source: National Statistics Institute