National tables: age and sex. Percentages Males 18 to 49 who have used a prostitute at some time in their life by age group and use of condom in last relationship with a prostitute. Units: percentages ;Total;Yes;No; Total;100.00;87.60;12.40; From 18 to 29 years of age;100.00;97.74;2.26; From 30 to 39 years of age;100.00;90.07;9.93; From 40 to 49 years of age;100.00;76.12;23.88; 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