| Value | Category | Cases | |
|---|---|---|---|
| 1 | Iron sheets | 55 |
12.9%
|
| 2 | Plastic bags | 1 |
0.2%
|
| 3 | Wood | 11 |
2.6%
|
| 4 | Concrete | 210 |
49.3%
|
| 5 | Mud | 1 |
0.2%
|
| 6 | Glass | 0 |
0%
|
| 7 | Cardboard | 0 |
0%
|
| 8 | Open (no walls) | 113 |
26.5%
|
| 9 | Other (Specify) | 35 |
8.2%
|
| Sysmiss | 766 |