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