| Value | Category | Cases | |
|---|---|---|---|
| 1 | Grass | 283 |
5.9%
|
| 2 | Mud | 1735 |
36%
|
| 3 | Compacted earth | 155 |
3.2%
|
| 4 | Mud brick (unfired) | 308 |
6.4%
|
| 5 | Burnt bricks | 100 |
2.1%
|
| 6 | Concrete | 2166 |
44.9%
|
| 7 | Wood | 51 |
1.1%
|
| 8 | Iron sheets | 16 |
0.3%
|
| 9 | Other (specify) | 6 |
0.1%
|
| Sysmiss | 48 |