| Value | Category | Cases | |
|---|---|---|---|
| 1 | 01. Concrete | 31 |
0.4%
|
| 2 | 02. Wood | 116 |
1.5%
|
| 3 | 03. Metal | 1711 |
22.5%
|
| 4 | 04. Tiles | 5184 |
68%
|
| 5 | 05. Asbestos | 238 |
3.1%
|
| 6 | 06. Foliage | 320 |
4.2%
|
| 7 | 07. Other | 1 |
0%
|
| 98 | 98. DK | 1 |
0%
|
| 99 | 99. Miss | 18 |
0.2%
|