Survey on Adult Population Involvement in Learning Activities Formal and informal education. Percentage values Content of the informal education activity, by type of activity. Units: percentages Total General programmes Education Arts and humanities Foreign languages Social sciences, business edcuation and law Sciences and mathematics Computer science (Information technology) User-level knowledge of IT Mechanics, electronics and other technical training manufacturing industry and construction Agriculture and veterinary medicine Health and social services Services Occupational safety and health Unknown or unspecified sectors Total 100.00 3.12 4.02 7.96 6.35 15.27 1.03 5.87 12.69 8.42 1.67 9.89 10.43 9.05 4.22 Theoretical courses taught in the classroom 100.00 3.77 4.73 6.34 7.65 20.53 1.22 3.41 6.58 7.70 1.98 11.88 8.65 12.23 3.34 Courses that combine theory and practice 100.00 3.23 2.31 11.93 5.16 9.01 . 7.68 19.01 8.67 1.93 8.85 13.36 3.30 . Courses taught through distance-education 100.00 . 7.46 . 7.99 22.33 . 7.35 14.24 4.20 . 11.48 5.51 . . Private tuition 100.00 . . 26.37 25.97 . . . 11.73 . . . 11.69 . . Practical training activities at the workplace 100.00 2.35 5.42 1.79 2.65 16.83 . 6.72 10.47 11.92 . 9.20 9.39 16.59 . 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