Encuesta de Fecundidad
Knowledge and use of contraceptions. Fem. between 15-49
Females between 15 and 49 years,   non knowledge of contraceptions   age actual (years)  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;
From 15 to 19 years old;100.00;100.00;..;..;..;..;..;
From 20 to 24 years old;100.00;100.00;..;..;..;..;..;
From 25 to 29 years old;100.00;95.20;4.80;..;..;..;..;
From 30 to 34 years old;100.00;51.23;48.77;..;..;..;..;
From 35 to 39 years old;100.00;22.98;15.23;33.50;19.65;8.64;..;
From 40 to 44 years old;100.00;33.93;25.06;27.89;13.11;..;..;
45 to 49 years;100.00;19.98;4.40;50.40;18.95;..;6.26;
Notes:
Source: National Statistics Institute