| 2005 | 2010 | 2011 | |
|---|---|---|---|
| Kentriki Makedonia | 93.2 | 93.4 | 86.3 |
| Peloponnisos | 82.3 | 71.7 | 69.5 |
| Thessalia | 73.4 | 69.2 | 67.8 |
| Dytiki Ellada | 63.6 | 61.2 | 57.4 |
| Anatoliki Makedonia, Thraki | 61.9 | 58.0 | 56.5 |
| Kriti | 55.4 | 51.1 | 49.3 |
| Sterea Ellada | 36.4 | 45.0 | 39.6 |
| Ipeiros | 23.3 | 27.3 | 24.2 |
| Dytiki Makedonia | 16.8 | 18.8 | 16.6 |
| Attiki (EL30) | 9.4 | 15.4 | 16.4 |
| Ionia Nisia | 16.2 | 14.6 | 15.9 |
| Notio Aigaio | 6.4 | 9.5 | 9.3 |
| Voreio Aigaio | 12.4 | 9.8 | 9.1 |