| Value | Category | Cases | |
|---|---|---|---|
| 1 | Earth/mud | 3855 |
93.8%
|
| 2 | Wood/Planks | 60 |
1.5%
|
| 3 | Stone/Brick | 27 |
0.7%
|
| 4 | Cement | 165 |
4%
|
| 5 | Other | 1 |
0%
|
| Sysmiss | 138 |