National tables. Lifestyles: nights out. Percentages Males 18 to 49 years who have had sexual relationships in the last year by number of nights out in the last 12 months and use of a prostitute in the last year Units: percentages ;Total;Yes;No; Total;100.00;6.73;93.27; At least 1 a month;100.00;7.70;92.30; Less than 1 a month;100.00;4.13;95.87; Notes: 1) Percentage calculated with regards males 18 to 49 years who have had sexual relationships at some time in the last year 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