National tables: age and sex. Percentages Persons 18 to 49 years by sex, age group and perception of risk of infection of HIV/AIDS by injectable drugs. Units: percentages ;Total;High risk;Intermediate risk;Low or no risk;Depends on whether they share syringes or not; Both sexes; Total;100.00;59.10;9.96;0.47;30.47; From 18 to 29 years of age;100.00;59.19;11.07;0.50;29.24; From 30 to 39 years of age;100.00;57.06;9.68;0.46;32.81; From 40 to 49 years of age;100.00;61.37;8.87;0.45;29.31; Males; Total;100.00;59.30;11.71;0.68;28.30; From 18 to 29 years of age;100.00;59.03;12.55;0.79;27.63; From 30 to 39 years of age;100.00;57.81;11.21;0.60;30.38; From 40 to 49 years of age;100.00;61.45;11.21;0.63;26.71; Females; Total;100.00;58.89;8.16;0.26;32.69; From 18 to 29 years of age;100.00;59.35;9.53;0.20;30.92; From 30 to 39 years of age;100.00;56.28;8.09;0.32;35.32; From 40 to 49 years of age;100.00;61.30;6.54;0.27;31.89; 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