| Value | Category | Cases | |
|---|---|---|---|
| 1 | Metal, aluminum, tin or zinc | 772 |
64.3%
|
| 2 | Tiles | 9 |
0.8%
|
| 3 | Shingles | 21 |
1.8%
|
| 4 | Thatch or grass | 183 |
15.3%
|
| 5 | Plastic sheets | 16 |
1.3%
|
| 6 | Asbestos | 40 |
3.3%
|
| 7 | Multiple materials | 95 |
7.9%
|
| 8 | Concrete | 26 |
2.2%
|
| 9 | Some other material | 16 |
1.3%
|
| 10 | Could not tell / could not see | 22 |
1.8%
|