Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years marital status contraceptive practices. Units: absolute figures ,Total,Never has used method,Has used before, but not currently,Currently use one efficient method,Currently use one inefficient method, Total,10,165,237,2,789,179,1,654,807,5,404,945,316,307, Single,4,454,390,2,286,730,416,238,1,705,941,45,481, Married,5,247,338,462,939,1,010,582,3,511,178,262,639, Widows,89,042,14,228,51,850,18,123,4,841, Separated or divorced,374,467,25,282,176,137,169,703,3,346, Notes: Source: National Statistics Institute