| Value | Category |
|---|---|
| 1 | working elsewhere in bulgaria |
| 2 | studying elsewhere in bulgaria |
| 3 | working abroad |
| 4 | studying abroad |
| 5 | away for a visit |
| 6 | to undergo medical treatment |
| 7 | lives somewhere else temporarily |
| 8 | new household member |
| 9 | other |
| 10 | don't know |
| Sysmiss |