| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refusal |
| -5 | Not applicable |
| -3 | Missing |
| 1 | Dilapidated/falling down |
| 2 | In need of structural repairs |
| 3 | Structurally sound, but requires maintenance |
| 4 | Structurally sound |
| 5 | In good condition, shows evidence of recent maintenance/renovations |
| Sysmiss |