| Value | Category | Cases | |
|---|---|---|---|
| 1 | Straw | 1057 |
1.5%
|
| 2 | Mud | 592 |
0.8%
|
| 3 | Wood | 5226 |
7.4%
|
| 4 | Steel (galvanised) | 219 |
0.3%
|
| 5 | Reinforced concrete | 63346 |
89.7%
|
| 6 | Tiles | 98 |
0.1%
|
| 7 | Metalsheets | 69 |
0.1%
|
| 97 | Other | 0 |
0%
|
| Sysmiss | 29 |