| Value | Category |
|---|---|
| -9 | Don't know |
| -7 | Legal skip |
| -6 | Unfinished questionnaire |
| -3 | Interviewer error |
| 1 | state employment services agency |
| 2 | through private employment agency |
| 3 | through university/school career office |
| 4 | through social network (friends/relative/other) |
| 5 | through media/ internet |
| 6 | employer contacted you |
| 7 | contacted employer directly |
| 8 | started own business |
| 9 | job obtained after training/apprenticeship with employer |
| 10 | other |
| Sysmiss |