| Value | Category | Cases | |
|---|---|---|---|
| 1 | Mud | 10114 |
52.8%
|
| 2 | Stone | 121 |
0.6%
|
| 3 | Burnt bricks | 423 |
2.2%
|
| 4 | Cement of concrete | 7108 |
37.1%
|
| 5 | Wood or bamboo | 139 |
0.7%
|
| 6 | Iron sheets | 102 |
0.5%
|
| 7 | Cardboard | 47 |
0.2%
|
| 8 | Other | 1104 |
5.8%
|