National tables. Lifestyles: nights out. Percentages Rate of persons who have had homosexual relationships at some time in their life by number of nights out in the last 12 months Units: percentages Total;3.31; At least 1 a month;3.47; Less than 1 a month;3.00; Notes: 1) Includes females that have only had sexual practices with females 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