Survey on Adult Population Involvement in Learning Activities Formal and informal education. Absolute values Institution that delivers the informal education activity, by type of activity. Units: activities Total Formal education institution Informal education and training institutions Commercial institutions whose main activity is not education Employers Business organisations, chambers of commerce Trade unions Not-for-profit organisations Individuals Non-commercial institutions whose main activity is not education Others No data recorded Total 10,935,940 1,040,621 2,847,849 544,634 2,113,934 718,472 450,538 669,471 316,002 517,597 1,291,171 425,652 Theoretical courses taught in the classroom 3,712,377 437,725 918,454 180,273 603,744 293,158 163,151 193,753 48,418 226,094 462,555 185,050 Courses that combine theory and practice 4,127,324 344,872 1,274,081 210,532 551,602 216,393 143,398 397,921 105,467 245,150 542,684 95,224 Courses taught through distance-education 789,077 93,254 256,281 34,712 62,737 78,030 85,796 . . . 68,279 67,188 Private tuition 313,120 . 85,536 . . . . 40,242 129,620 . 30,865 . Practical training activities at the workplace 1,994,041 153,644 313,497 115,661 892,698 128,675 58,193 . . . 186,788 75,848 Notes: .Data protected by statistical secrecy 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