| Value | Category | Cases | |
|---|---|---|---|
| 1 | Earth or mud | 1226 |
43.1%
|
| 2 | Wood | 12 |
0.4%
|
| 3 | Cement | 1495 |
52.6%
|
| 4 | Tiles | 105 |
3.7%
|
| 5 | Other | 5 |
0.2%
|