| Axes | Categories | Contribution of categories (%) |
| Axis 1 | UnCo-1 | 8.2 |
| CoMo-1 | 7.9 | |
| AsMo-1 | 7.9 | |
| MoHi-2 | 9.5 | |
| CoHi-1 | 9.6 | |
| EtHi-1 | 9.6 | |
| Axis 2 | Cofo-4 | 7.5 |
| PoHi-2 | 11.7 | |
| AsHi-1 | 8.5 | |
| AsHi-3 | 10.1 | |
| EtHi-3 | 9.9 |