| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 1 | Metal, tin or zinc | 726 |
60.5%
|
| 2 | Tiles | 169 |
14.1%
|
| 3 | Shingles | 6 |
0.5%
|
| 4 | Thatch or grass | 221 |
18.4%
|
| 5 | Plastic sheets | 10 |
0.8%
|
| 6 | Asbestos | 9 |
0.8%
|
| 7 | Multiple materials | 2 |
0.2%
|
| 8 | Concrete | 50 |
4.2%
|
| 9 | Some other material | 6 |
0.5%
|
| 10 | Could not tell / could not see | 0 |
0%
|