| Value | Category |
|---|---|
| 1 | Government |
| 2 | Financial public corporation |
| 3 | Non-financial public corporation |
| 4 | Ngo/ingo |
| 5 | Private registered financial company |
| 6 | Private registered non-financial company |
| 7 | Private unregistered organisation |
| 8 | Other |
| 9 | Never worked before |
| 10 | Not stated |
| Sysmiss |