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