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