| Value | Category | Cases | |
|---|---|---|---|
| 1 | Cement | 789 |
23.4%
|
| 2 | Wood | 12 |
0.4%
|
| 3 | Clay | 2509 |
74.4%
|
| 4 | Sand/Soil | 62 |
1.8%
|
| 5 | Others | 2 |
0.1%
|