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