Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years, have not used or use contracep. actual age (years) 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, From 15 to 19 years old,1,056,265,1,056,265,..,..,..,..,..,0.00, From 20 to 24 years old,654,466,646,550,5,842,..,2,073,..,..,0.02, From 25 to 29 years old,345,563,317,189,19,734,6,976,1,664,..,..,0.11, From 30 to 34 years old,169,685,135,903,19,732,11,356,1,117,..,1,577,0.33, From 35 to 39 years old,175,757,76,726,27,380,56,553,11,049,2,708,1,341,1.09, From 40 to 44 years old,157,111,63,321,22,598,49,464,16,494,2,512,2,722,1.24, 45 to 49 years,230,332,53,753,32,012,86,567,42,274,8,396,7,331,1.76, Notes: Source: National Statistics Institute