| Value | Category | Cases | |
|---|---|---|---|
| 1 | Clay tiles | 483 |
32%
|
| 2 | Asbestos panels | 93 |
6.2%
|
| 3 | Zinc panels | 800 |
53%
|
| 4 | Concrete | 24 |
1.6%
|
| 5 | Wood | 8 |
0.5%
|
| 6 | Straw, palms or similar | 7 |
0.5%
|
| 7 | Scrap material | 5 |
0.3%
|
| 8 | Other | 90 |
6%
|
| 98 | Don't Know/Not Known | 0 |
0%
|
| 99 | Refused/No response | 0 |
0%
|