| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 1 | Metal, tin or zinc | 836 |
69.7%
|
| 2 | Tiles | 85 |
7.1%
|
| 3 | Shingles | 6 |
0.5%
|
| 4 | Thatch or grass | 200 |
16.7%
|
| 5 | Plastic sheets | 15 |
1.3%
|
| 6 | Asbestos | 55 |
4.6%
|
| 7 | Multiple materials | 1 |
0.1%
|
| 8 | Some other material | 1 |
0.1%
|
| 9 | Could not tell / could not see | 0 |
0%
|