| Value | Category | Cases | |
|---|---|---|---|
| 1 | Grass, leaves and bamboo | 2 |
0.2%
|
| 2 | Mud and grass | 1 |
0.1%
|
| 3 | Concrete and cement | 9 |
0.9%
|
| 4 | Metal sheet (GCI) | 925 |
87.8%
|
| 5 | Absestos sheets | 32 |
3%
|
| 6 | Concrete, cement and stones | 83 |
7.9%
|
| 98 | Other | 1 |
0.1%
|