| Value | Category | Cases | |
|---|---|---|---|
| 1 | Mud/earth | 4899 |
36.9%
|
| 2 | Wood | 46 |
0.3%
|
| 3 | Tiles | 825 |
6.2%
|
| 4 | Cement/concrete | 7494 |
56.5%
|
| 5 | Stone | 2 |
0%
|
| 9 | Other | 9 |
0.1%
|
| Sysmiss | 6 |