| Value | Category | Cases | |
|---|---|---|---|
| 0 | 72 |
1.2%
|
|
| 1 | Brick | 35 |
0.6%
|
| 2 | Reinforced concrete | 499 |
8.3%
|
| 3 | Stone | 1 |
0%
|
| 4 | Wood | 4466 |
74.4%
|
| 5 | Straw | 1 |
0%
|
| 6 | Other | 856 |
14.3%
|
| 7 | Cement | 56 |
0.9%
|
| 97 | 14 |
0.2%
|