| Value | Category | Cases | |
|---|---|---|---|
| 1 | Bricks | 93 |
51.7%
|
| 2 | Fabric | 1 |
0.6%
|
| 3 | Metal | 63 |
35%
|
| 4 | Plastic sheeting | 22 |
12.2%
|
| 5 | Wood | 1 |
0.6%
|
| Missing value | 10 |