| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refused |
| -5 | Not applicable |
| -3 | Missing |
| -2 | Not asked in Phase 2 |
| 1 | Strong preference to stay |
| 2 | Moderate preference to stay |
| 3 | Unsure (no strong preference to stay or leave) |
| 4 | Moderate preference to leave |
| 5 | Strong preference to leave |
| Sysmiss |