| date | type | share |
|---|---|---|
| 2004 | Municipal waste on totalrecycling | 27.8 |
| 2005 | Municipal waste on totalrecycling | 28.8 |
| 2006 | Municipal waste on totalrecycling | 29.8 |
| 2007 | Municipal waste on totalrecycling | 31.8 |
| 2008 | Municipal waste on totalrecycling | 33.4 |
| 2009 | Municipal waste on totalrecycling | 34.0 |
| 2010 | Municipal waste on totalrecycling | 34.6 |
| 2011 | Municipal waste on totalrecycling | 35.7 |
| 2012 | Municipal waste on totalrecycling | 37.3 |