Not surprisingly, Europeans in the eurozone share a consensus that Deutschland is (and probably, rightfully so) the least corrupt in the region; as reported by The Economist. Story in http://www.economist.com/blogs/graphicdetail/2012/05/greeks-say-they-are-hardest-working-european-nation.
The report is largely drawn from the recent survey done by Pew Global as discussed here: http://www.pewglobal.org/2012/05/29/chapter-4-views-of-eu-countries-and-leaders/
In 2010 George Papaconstantinou, chief negotiator of Greece’s first bail-out by the EU and IMF, took delivery from the French government of a disk with the names of 2,000 Greeks with Swiss bank accounts. He kept it and deleted names of members of his family. The planned investigation was dropped.