| Value | Category | Cases | |
|---|---|---|---|
| 1 | Zinc | 1832 |
85.9%
|
| 2 | Asbestos | 94 |
4.4%
|
| 3 | Tiles | 180 |
8.4%
|
| 4 | Reinforced concrete | 19 |
0.9%
|
| 555 | Other | 8 |
0.4%
|
| Sysmiss | 263 |