>>>the difference of a few places probably is smaller than error coefficient if they are not somewhere in 2s or 3s if assuming something Gauss-distributed, which probably is not the case ;-))
>
>Certainly it was noticed when New Zealand fell from first to second place. Oh, the horror. Various explanations ensued, generally accusing other sorts of foreigners who come from places where corruption is the norm.

Due to a massive growth of money offered for such special treatment by foreigners or due to fast integration of foreigners into places where they could act on their imported corruptedness?