| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | aluminium | 494 | 131632 |
3%
|
| 2 | iron | 16471 | 4059811 |
92.6%
|
| 3 | wood | 633 | 154747 |
3.5%
|
| 4 | other | 224 | 38857 |
0.9%
|