National tables: studies, age and sex. Percentages Males 18 to 49 who have used a prostitute at some time in their life by studies and use of condom in last relationship with a prostitute. Units: percentages ;Total;Yes;No; Total;100.00;87.60;12.40; Lower than secondary education;100.00;84.90;15.10; Secondary education;100.00;90.10;9.90; University;100.00;90.10;9.90; 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