| Value | Category |
|---|---|
| 1 | Dwelling with every modern convenience |
| 2 | Dwelling with modern convenience |
| 3 | Dwelling with less modern convenience |
| 4 | Dwelling without modern convenience |
| 5 | Emergency dwelling I (half-room) |
| 6 | Emergency dwelling II (small room) |
| 7 | Dwelling consisting of one single room-unit |
| 9 | NIU (not in universe) |