| Value | Category | Cases | |
|---|---|---|---|
| 0 | Unknown | 87 |
48.6%
|
| 1 | Mud | 29 |
16.2%
|
| 2 | Wooden | 46 |
25.7%
|
| 3 | Cement | 0 |
0%
|
| 4 | Bag | 17 |
9.5%
|
| Sysmiss | 545 |