| Value | Category |
|---|---|
| 1 | House and lot owner |
| 2 | House owner and lot renter |
| 3 | House owner; rent-free lot with owner's consent |
| 4 | House owner; rent-free lot without consent of the owner |
| 5 | House/room and lot renter |
| 6 | Rent-free house and lot with owner's consent |
| 7 | Rent-free house and lot without owner's consent |