| Value | Category |
|---|---|
| -2 | Refusal to answer |
| -1 | Don't know |
| 1 | Work in another part of the country |
| 2 | Work outside Bulgaria |
| 3 | Studies |
| 4 | Vacation/ visiting friends/ relatives |
| 5 | Institutionalized |
| 6 | Left for family reasons |
| 7 | Died |
| 9 | doing his/her military service |
| Sysmiss |