National tables. Lifestyles: nights out. Values Persons 18 to 49 years by sex, number of nights out in the last 12 months and perception of risk of infection of HIV/AIDS by injectable drugs Units: thousands of persons ,Total,High risk,Intermediate risk,Low or no risk,Depends on whether they share syringes or not,No data recorded, Both sexes, Total,20,759.6,12,112.0,2,041.3,96.7,6,244.5,265.2, At least 1 a month,13,759.4,8,009.2,1,460.9,59.3,4,123.6,106.3, Less than 1 a month,6,929.1,4,073.7,569.7,37.4,2,099.5,148.9, No data recorded,71.1,29.1,10.7,0.0,21.3,9.9, Males, Total,10,532.1,6,158.8,1,216.2,70.6,2,939.4,147.1, At least 1 a month,7,566.4,4,406.0,929.1,45.3,2,117.7,68.2, Less than 1 a month,2,930.7,1,734.8,279.6,25.2,816.7,74.4, No data recorded,35.0,18.0,7.5,0.0,5.1,4.6, Females, Total,10,227.5,5,953.2,825.0,26.2,3,305.0,118.1, At least 1 a month,6,193.0,3,603.2,531.7,14.0,2,005.9,38.2, Less than 1 a month,3,998.4,2,338.8,290.0,12.2,1,282.8,74.5, No data recorded,36.1,11.2,3.2,0.0,16.3,5.4, 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