Encuesta de Fecundidad
Knowledge and use of contraceptions. Fem. between 15-49
Females between 15 and 49 years, married sometime level of studies  contraceptive practices. 
Unidades: absolute figures

,Total,Never has used method,Has used before, but not currently,Currently use one efficient method,Currently use one  inefficient method,
Total,5.710.847,502.448,1.238.568,3.699.004,270.827,
Illiterate,18.150,4.580,5.403,2.321,5.846,
Without studies,170.933,32.216,33.826,90.764,14.126,
Primary education and second grade, GBE or first year of GCSE,3.208.662,335.010,668.959,2.012.909,191.784,
Secondary Education and Post-secondary non-higher,701.148,42.138,151.436,488.348,19.226,
1º, 2º and intermediate technical-professional studies,819.493,43.830,174.779,579.473,21.411,
Higher level technical-professional studies,9.875,298,1.850,7.727,..,
First year of tertiary education,343.133,17.971,85.742,229.915,9.504,
Tertiary education, university graduates and doctors,439.454,26.404,116.574,287.546,8.929,
Notas:
Fuente: National Statistics Institute