| Value | Category |
|---|---|
| 1 | At the workplace |
| 2 | Within the university of the third century |
| 3 | Practical classes, trainings, workshops, Seminars |
| 4 | Lectures, instruction, conferences |
| 5 | Distance education, courses Correspondence |
| 6 | Private lessons, tutoring |
| 7 | In mixed form |
| 8 | Through self directed education |
| Sysmiss |