| 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | |
| C4 zenders | 66,00% | 68,00% | 68,00% | 69,00% | 68,00% | 65,00% | 62,00% | 65,23% | 65,10% | 65,27% |
| C3 groep | 80,00% | 82,00% | 82,00% | 80,00% | 80,00% | 78,90% | 79,60% | 81,19% | 81,20% | 80,44% |
| HHI groep | 25,82% | 26,82% | 27,42% | 27,14% | 26,22% | 25,60% | 25,67% | 26,20% | 25,90% | 25,64% |
| HHI zenders | 19,26% | 19,70% | 19,74% | 20,68% | 20,52% | 18,71% | 15,68% | 15,80% | 17,17% | 17,25% |