National tables. Lifestyles: nights spent away from home. Values Persons 18 to 49 years who have had sexual relationships at some time in their life by no. of nights spent away from home because of work/studies in the last 12 months and sex Units: thousands of persons Both sexes Males Females Total 19,524.0 9,967.8 9,556.2 At least 1 a month 3,221.5 2,193.7 1,027.8 Less than 1 a month 16,202.4 7,718.6 8,483.8 No data recorded 100.1 55.4 44.7 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