National tables. Lifestyles: nights out. Values Persons 18 to 49 years who have had homosexual relationships at some time in their life by number of nights out in the last 12 months Units: thousands of persons Total,645.3, At least 1 a month,445.9, Less than 1 a month,199.3, No data recorded,0.0, 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