Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years, have not used or use contracep. size of municipality of residence number of live births. Units: absolute figures ,Total,None,One,Two,Three,Four,Five and more,Average, Total,2,789,179,2,349,707,127,298,210,917,74,671,13,615,12,971,0.32, Up to 10,000 inhabitants,620,676,494,691,31,958,60,927,31,415,1,685,..,0.41, From 10,001 to 50,000 inhabitants,605,379,503,018,33,003,51,916,12,276,1,743,3,422,0.33, From 50,001 to 500,000 inhabitants,1,065,336,916,217,41,363,67,154,27,559,6,168,6,875,0.30, More than 500,000 inhabitants,497,788,435,781,20,974,30,920,3,421,4,019,2,674,0.25, Notes: Source: National Statistics Institute