Encuesta de Fecundidad Preferences and motivations in terms of size of the family. Females, between 15-49 years. Females between 15 and 49 years actual age (years) treatment to obtain pregnancy. Units: absolute figures ;Total;Has not been treatment;Has been treatment. Total;Has been treatment and at last one live birth;Has been treatment and no live child; Total;10,165,237;9,925,810;239,427;117,577;121,851; From 15 to 29 years old;4,527,931;4,509,420;18,511;5,592;12,919; From 30 to 34 years old;1,582,180;1,528,293;53,887;27,936;25,951; From 35 to 39 years old;1,494,625;1,422,271;72,354;31,715;40,639; From 40 to 44 years old;1,343,937;1,292,564;51,373;30,663;20,710; From 45 to 49 years old;1,216,564;1,173,263;43,301;21,670;21,631; Notes: Source: National Statistics Institute