Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years marital status contraceptive practices. Units: relative figures Total Never has used method Has used before, but not currently Currently use one efficient method Currently use one inefficient method Total 100.00 27.44 16.28 53.17 3.11 Single 100.00 51.34 9.34 38.30 1.02 Married 100.00 8.82 19.26 66.91 5.01 Widows 100.00 15.98 58.23 20.35 5.44 Separated or divorced 100.00 6.75 47.04 45.32 0.89 Notes: Source: National Statistics Institute