Performance Indicators
Materials used
| 2011 | 2010 | 2009 | |
| Tonnes | Tonnes | Tonnes | |
| Copper | 13 056 | 12 394 | 12 952 |
| Aluminium | 7 398 | 5 500 | 5 410 |
| Steel | 1 978 | 1 947 | 1 302 |
| Galvinized steel | 6 301 | 6 315 | 6 131 |
| PVC | 8 614 | 8 303 | 7 700 |
| Brass | 62 | 57 | 28 |
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