| Bedrijfsopbrengsten | Bedrijfswinst (-verlies) | Winst (verlies) van het boekjaar vóór belasting | Werknemers | CPI | |
| 2006 | 100% | 100% | 100% | 100% | 100% |
| 2007 | 97% | -50% | -39% | 98% | 102% |
| 2008 | 96% | -59% | -32% | 99% | 105% |
| 2009 | 96% | -23% | -4% | 98% | 108% |
| 2010 | 96% | -154% | -114% | 94% | 108% |
| 2011 | 89% | -9% | -2% | 91% | 112% |
| 2012 | 94% | -32% | -12% | 89% | 116% |
| 2013 | 97% | 11% | 20% | 81% | 118% |
| 2014 | 96% | -111% | -73% | 80% | 119% |
| 2015 | 92% | 18% | 26% | 78% | 118% |