| Value | Category | Cases | |
|---|---|---|---|
| 1 | Brick/stone and cement | 3266 |
94.1%
|
| 2 | Brick / stone and clay | 189 |
5.4%
|
| 3 | Wood and tree branches | 13 |
0.4%
|
| 4 | Other | 1 |
0%
|