| date | type | share |
|---|---|---|
| 2004 | Total waste excluding major mineral wastes | 39.2 |
| 2006 | Total waste excluding major mineral wastes | 38.1 |
| 2008 | Total waste excluding major mineral wastes | 39.6 |
| 2010 | Total waste excluding major mineral wastes | 38.4 |
| 2012 | Total waste excluding major mineral wastes | 41.9 |