| Value | Category | Cases | |
|---|---|---|---|
| 0 | 344 |
1.1%
|
|
| 1 | Brick | 165 |
0.6%
|
| 2 | Reinforced concrete | 2276 |
7.6%
|
| 3 | Stone | 4 |
0%
|
| 4 | Wood | 22438 |
74.9%
|
| 5 | Straw | 8 |
0%
|
| 6 | Other | 4375 |
14.6%
|
| 7 | Cement | 268 |
0.9%
|
| 97 | 70 |
0.2%
|