National tables. Lifestyles: nights out. Values Persons 18 to 49 years by sex, number of nights out in the last 12 months and identification of means of transmitting HIV/AIDS Units: thousands of persons ;Total;Identified correctly;Not identified correctly;No data recorded; Both sexes; Total;20,759.6;2,925.4;17,524.9;309.4; At least 1 a month;13,759.4;1,952.6;11,678.0;128.8; Less than 1 a month;6,929.1;962.3;5,796.2;170.6; No data recorded;71.1;10.5;50.6;9.9; Males; Total;10,532.1;1,376.6;8,990.8;164.7; At least 1 a month;7,566.4;983.4;6,510.1;72.8; Less than 1 a month;2,930.7;391.2;2,452.2;87.4; No data recorded;35.0;2.0;28.5;4.6; Females; Total;10,227.5;1,548.8;8,534.1;144.6; At least 1 a month;6,193.0;969.2;5,167.9;56.0; Less than 1 a month;3,998.4;571.1;3,344.0;83.3; No data recorded;36.1;8.5;22.1;5.4; 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