| Value | Category | Cases | |
|---|---|---|---|
| 1 | straw | 452 |
4%
|
| 2 | mud | 48 |
0.4%
|
| 3 | wood | 1698 |
14.9%
|
| 4 | steel (galvanized) | 48 |
0.4%
|
| 5 | reinforced concrete | 8984 |
79%
|
| 6 | tiles/wooden planks | 117 |
1%
|
| 96 | other | 25 |
0.2%
|
| Sysmiss | 39936 |