National tables. Lifestyles: nights out. Values Persons who have had sexual relationships with new partners in the last year by number of nights out in the last 12 months and sex Units: thousands of persons ;Both sexes;Males;Females; Total;2,656.4;1,807.9;848.4; At least 1 a month;2,318.9;1,599.7;719.2; Less than 1 a month;329.0;205.2;123.8; No data recorded;8.5;3.0;5.4; 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