Survey on Adult Population Involvement in Learning Activities Social and cultural involvement. Absolute values Persons, by number of books read for pleasure in the last twelve months, sex and highest level of studies completed. Units: persons (absolute values) ,Total,None,Between 1 and 3 books,Between 4 and 7 books,Between 8 and 12 books,More than 12 books,No data recorded, Both sexes, Total,29,238,135,12,161,230,8,149,718,4,272,992,1,812,735,2,789,740,51,720, First stage secondary education and lower,15,728,355,9,140,184,4,177,142,1,361,975,424,350,584,766,39,939, Intermediate-level studies,5,726,079,1,719,564,1,863,656,1,014,934,432,711,692,235,., Tertiary level and university studies,7,783,701,1,301,482,2,108,920,1,896,083,955,673,1,512,740,., Males, Total,14,593,072,6,926,762,3,717,200,1,920,381,786,088,1,208,122,34,517, First stage secondary education and lower,7,756,598,5,009,896,1,803,459,524,731,168,934,221,976,., Intermediate-level studies,2,987,841,1,124,843,907,168,483,231,189,347,282,174,., Tertiary level and university studies,3,848,633,792,024,1,006,573,912,419,427,807,703,972,., Females, Total,14,645,063,5,234,467,4,432,518,2,352,610,1,026,647,1,581,618,., First stage secondary education and lower,7,971,757,4,130,288,2,373,683,837,244,255,416,362,790,., Intermediate-level studies,2,738,238,594,720,956,488,531,703,243,364,410,060,., Tertiary level and university studies,3,935,068,509,459,1,102,347,983,664,527,866,808,768,., Notes: .Data protected by statistical secrecy 1) The Intermediate-level studies category is comprised of: post-secondary education and intermediate-level technical-professional education. Data referring to the 12 months prior to the date of the survey. The symbol '.' shall be deemed as data which cannot be provided since it may be affected by sampling errors. Source: National Statistics Institute