National tables. Lifestyles: nights out. Values Persons 18 to 49 years by sex, number of nights out in the last 12 months and preferred source of sexual information Units: thousands of persons Total Old parents or relatives Siblings or friends Partner Professionals Various support No data recorded Both sexes Total 20,759.6 10,771.8 2,568.9 1,033.9 5,225.5 703.6 456.0 At least 1 a month 13,759.4 6,748.4 1,928.9 648.8 3,690.6 475.3 267.4 Less than 1 a month 6,929.1 3,986.1 629.6 383.1 1,528.5 226.4 175.3 No data recorded 71.1 37.3 10.3 2.0 6.5 1.9 13.2 Males Total 10,532.1 4,854.9 1,656.9 580.2 2,769.8 376.4 293.9 At least 1 a month 7,566.4 3,373.9 1,269.8 405.4 2,075.5 271.8 170.0 Less than 1 a month 2,930.7 1,459.7 381.7 172.8 694.4 104.6 117.5 No data recorded 35.0 21.2 5.5 2.0 0.0 0.0 6.4 Females Total 10,227.5 5,916.9 911.9 453.7 2,455.7 327.2 162.0 At least 1 a month 6,193.0 3,374.4 659.2 243.4 1,615.1 203.5 97.4 Less than 1 a month 3,998.4 2,526.4 247.9 210.3 834.1 121.8 57.8 No data recorded 36.1 16.1 4.8 0.0 6.5 1.9 6.8 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