| Value | Category | Cases | |
|---|---|---|---|
| 1 | slate | 175 |
81%
|
| 2 | metal sheeting | 3 |
1.4%
|
| 3 | thatch | 2 |
0.9%
|
| 4 | tiles | 0 |
0%
|
| 5 | mud | 14 |
6.5%
|
| 6 | bitumised concrete slab | 22 |
10.2%
|
| 7 | other | 0 |
0%
|