National tables. Lifestyles: nights out. Percentages Rate of persons who have had more than one sexual partner in the last year by sex and number of evenings out in the last 12 months. Units: percentages ,Total,At least 1 a month,Less than 1 a month, Both sexes,22.29,29.80,14.81, Males,26.64,34.05,17.81, Females,13.43,18.27,10.09, Notes: 1) Rate calculated as regards the population of 18 to 49 year olds who have had sexual relationships 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