Here we go. The full breakdown.
http://www.walesonline.co.uk/sport/r...stats-10052033
Some of them aren't as bad as they appear. e.g. 9 out of 11 non Welsh born players qualify through ancestry whereas all of the foreign born Aussies have zero heritage.
Argentina is the only 'pure' team in the tournament with a full compliment of home born players. SA a close second with one Zimbabwean. Fiji represented in five different countries.