National tables: age and sex. Values Persons 18 to 49 years by sex, age group and perception of risk of infection of HIV/AIDS by injectable drugs. Units: Thousands of persons ;Total;High risk;Intermediate risk;Low or no risk;Depends on whether they share syringes or not;No data recorded; Both sexes; Total;20,759.6;12,112.0;2,041.3;96.7;6,244.5;265.2; From 18 to 29 years of age;7,679.9;4,493.7;840.6;38.1;2,220.2;87.2; From 30 to 39 years of age;7,043.6;3,965.1;672.5;32.0;2,279.7;94.4; From 40 to 49 years of age;6,036.1;3,653.2;528.2;26.7;1,744.5;83.6; Males; Total;10,532.1;6,158.8;1,216.2;70.6;2,939.4;147.1; From 18 to 29 years of age;3,932.5;2,290.8;487.0;30.7;1,072.4;51.6; From 30 to 39 years of age;3,584.4;2,043.8;396.3;21.2;1,074.0;49.1; From 40 to 49 years of age;3,015.2;1,824.2;332.9;18.7;793.0;46.4; Females; Total;10,227.5;5,953.2;825.0;26.2;3,305.0;118.1; From 18 to 29 years of age;3,747.4;2,203.0;353.6;7.4;1,147.8;35.6; From 30 to 39 years of age;3,459.2;1,921.3;276.1;10.8;1,205.7;45.3; From 40 to 49 years of age;3,020.9;1,828.9;195.3;8.0;951.5;37.2; 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