| Value | Category | Cases | |
|---|---|---|---|
| 1 | Mud/earth/sand | 0 |
0%
|
| 2 | Clay | 0 |
0%
|
| 3 | Cement/concrete | 17 |
100%
|
| 4 | Burnt brick | 0 |
0%
|
| Sysmiss | 630 |