| Country | Code | CPI | ||||||||||
| 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | ||
| Albania | ALB | 24.0 | 26.0 | 29.0 | 34.0 | 32.0 | 33.0 | 31.0 | 33.0 | 31.0 | 33.0 | 36.0 |
| Armenia | ARM | 29.0 | 29.0 | 30.0 | 29.0 | 27.0 | 26.0 | 26.0 | 34.0 | 36.0 | 37.0 | 35.0 |
| Austria | AUT | 87.0 | 86.0 | 81.0 | 81.0 | 79.0 | 79.0 | 78.0 | 69.0 | 69.0 | 72.0 | 76.0 |
| Azerbaijan | AZE | 22.0 | 24.0 | 21.0 | 19.0 | 23.0 | 24.0 | 24.0 | 27.0 | 28.0 | 29.0 | 29.0 |
| Belarus | BLR | 26.0 | 21.0 | 21.0 | 20.0 | 24.0 | 25.0 | 24.0 | 31.0 | 29.0 | 31.0 | 32.0 |
| Belgium | BEL | 74.0 | 73.0 | 71.0 | 73.0 | 71.0 | 71.0 | 75.0 | 75.0 | 75.0 | 76.0 | 77.0 |
| Bosnia & Herzegovina | BIH | 29.0 | 29.0 | 33.0 | 32.0 | 30.0 | 32.0 | 32.0 | 42.0 | 42.0 | 39.0 | 38.0 |
| Bulgaria | BGR | 40.0 | 40.0 | 41.0 | 36.0 | 38.0 | 36.0 | 33.0 | 41.0 | 41.0 | 43.0 | 41.0 |
| Croatia | HRV | 34.0 | 34.0 | 41.0 | 44.0 | 41.0 | 41.0 | 40.0 | 46.0 | 48.0 | 48.0 | 51.0 |
| Cyprus | CYP | 57.0 | 56.0 | 53.0 | 64.0 | 66.0 | 63.0 | 63.0 | 66.0 | 63.0 | 63.0 | 61.0 |
| Czech Republic | CZE | 43.0 | 48.0 | 52.0 | 52.0 | 49.0 | 46.0 | 44.0 | 49.0 | 48.0 | 51.0 | 56.0 |
| Denmark | DNK | 95.0 | 95.0 | 94.0 | 93.0 | 93.0 | 93.0 | 94.0 | 90.0 | 91.0 | 92.0 | 91.0 |
| Estonia | EST | 64.0 | 67.0 | 65.0 | 66.0 | 66.0 | 65.0 | 64.0 | 64.0 | 68.0 | 69.0 | 70.0 |
| Finland | FIN | 96.0 | 96.0 | 94.0 | 90.0 | 89.0 | 92.0 | 94.0 | 90.0 | 89.0 | 89.0 | 90.0 |