National tables: age and sex. Values Persons 18 to 49 years by sex, age group identification of means of transmitting HIV/AIDS Units: Thousands of persons ;Total;Identified correctly;Not identified correctly;No data recorded; Both sexes; Total;20,759.6;2,925.4;17,524.9;309.4; From 18 to 29 years of age;7,679.9;990.9;6,593.1;95.9; From 30 to 39 years of age;7,043.6;1,139.5;5,791.7;112.5; From 40 to 49 years of age;6,036.1;795.0;5,140.1;101.0; Males; Total;10,532.1;1,376.6;8,990.8;164.7; From 18 to 29 years of age;3,932.5;469.8;3,411.1;51.6; From 30 to 39 years of age;3,584.4;508.7;3,019.4;56.4; From 40 to 49 years of age;3,015.2;398.1;2,560.3;56.7; Females; Total;10,227.5;1,548.8;8,534.1;144.6; From 18 to 29 years of age;3,747.4;521.1;3,182.0;44.3; From 30 to 39 years of age;3,459.2;630.9;2,772.2;56.1; From 40 to 49 years of age;3,020.9;396.8;2,579.8;44.2; Notes: Data corresponding to cells with less than 45,000 persons must be used with caution, because they may be affected by high sample errors. Source: National Statistics Institute