Survey on Adult Population Involvement in Learning Activities 
Formal and informal education. Absolute values
Use of the knowledge acquired in the informal education activity, by type of activity.
Units: activities

;Total;Very frequently;Somewhat frequently;Very infrequently;Never;No data recorded;
Total;10,935,940;5,556,192;3,511,080;1,118,361;455,343;294,963;
Theoretical courses taught in the classroom;3,712,377;1,860,938;1,200,685;375,153;156,022;119,578;
Courses that combine theory and practice;4,127,324;2,079,670;1,316,754;474,773;179,675;76,452;
Courses taught through distance-education;789,077;337,592;271,673;99,479;34,931;45,402;
Private tuition;313,120;137,438;124,600;37,303;.;.;
Practical training activities at the workplace;1,994,041;1,140,554;597,369;131,653;73,314;51,152;
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