| Value | Category | Cases | |
|---|---|---|---|
| 1 | Grass | 11 |
0.7%
|
| 2 | Mud | 98 |
6.1%
|
| 3 | Compacted earth | 191 |
11.8%
|
| 4 | Mud brick | 559 |
34.5%
|
| 5 | Burnt bricks | 690 |
42.6%
|
| 6 | Concrete | 65 |
4%
|
| 7 | Wood | 4 |
0.2%
|
| 8 | Iron sheets | 0 |
0%
|
| 9 | Other (specify) | 1 |
0.1%
|