| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Metal, tin or zinc | 467 |
38.9%
|
| 2 | Tiles | 36 |
3%
|
| 3 | Shingles | 1 |
0.1%
|
| 4 | Thatch or grass | 109 |
9.1%
|
| 5 | Plastic sheets | 16 |
1.3%
|
| 6 | Asbestos | 8 |
0.7%
|
| 7 | Multiple materials | 357 |
29.8%
|
| 8 | Concrete | 114 |
9.5%
|
| 9 | Some other material | 92 |
7.7%
|
| 10 | Could not tell / could not see | 0 |
0%
|