| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 4 |
0.3%
|
| 1 | Metal, tin or zinc | 909 |
75.8%
|
| 2 | Tiles | 17 |
1.4%
|
| 3 | Shingles | 11 |
0.9%
|
| 4 | Thatch or grass | 176 |
14.7%
|
| 5 | Plastic sheets | 33 |
2.8%
|
| 6 | Asbestos | 8 |
0.7%
|
| 7 | Multiple materials | 8 |
0.7%
|
| 8 | Concrete | 29 |
2.4%
|
| 9 | Some other material | 3 |
0.3%
|
| 10 | Could not tell / could not see | 1 |
0.1%
|