| Value | Category | Cases | |
|---|---|---|---|
| 1 | Metal, tin or zinc | 1199 |
50%
|
| 2 | Tiles | 766 |
31.9%
|
| 3 | Shingles | 9 |
0.4%
|
| 4 | Thatch or grass | 49 |
2%
|
| 5 | Plastic sheets | 2 |
0.1%
|
| 6 | Asbestos | 310 |
12.9%
|
| 7 | Multiple materials | 17 |
0.7%
|
| 8 | Some other material | 27 |
1.1%
|
| 9 | Could not tell / could not see | 20 |
0.8%
|