Didn't read any numbers on it. Listened to Kyle Bass speak about it a few weeks ago and that's what he said. No disrespect, I'll take his word for it over yours. Either way I can't trade off of it.
You're probably both right. US and Japan are the largest individual contributors (25% more or less between the two), but Europe as a whole probably beats US/Japan combined.
Bailout investments in the US have turned into profits a short time later but same cannot be said about PIIGS type nations. Corruption, inefficiencies and take for granted attitude is in their operational DNA so IMF and its backers need to be very careful about the EU bailout business.