National tables. Lifestyles: nights out. Percentages Males 18 to 49 who have used a prostitute at some time in their life by number of nights out in the last 12 months and use of condom in last relationship with a prostitute Units: percentages Total Yes No Total 100.00 87.56 12.44 At least 1 a month 100.00 90.36 9.64 Less than 1 a month 100.00 79.48 20.52 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