| Value | Category | Cases | |
|---|---|---|---|
| 1 | Grass | 23 |
0.7%
|
| 2 | Mud | 191 |
5.9%
|
| 3 | Compacted earth | 492 |
15.2%
|
| 4 | Mud brick | 942 |
29%
|
| 5 | Burnt bricks | 1468 |
45.2%
|
| 6 | Concrete | 111 |
3.4%
|
| 7 | Wood | 14 |
0.4%
|
| 8 | Iron sheets | 4 |
0.1%
|
| 9 | Other (specify) | 1 |
0%
|