|
| Ranking in 2005 | 2005 | Ranking in 2009 | 2009 |
| 1 | United States | 61.6% | United States | 61.60% |
| 2 | United Kingdom | 12.5% | United Kingdom | 10.07% |
| 3 | Germany | 4.8% | Canada | 3.95% |
| 4 | Canada | 3.9% | Germany | 3.38% |
| 5 | Sweden | 2.6% | France | 2.98% |
| 6 | France | 2.4% | China | 2.55% |
| 7 | Japan | 1.8% | Japan | 1.99% |
| 8 | Switzerland | 1.4% | Sweden | 1.52% |
| 9 | Ireland | 1.0% | Switzerland | 1.50% |
| 10 | Belgium | 0.7% | Brazil | 1.41% |
| 11 | Bahamas | 0.7% | Hong Kong | 1.03% |
| 12 | Italy | 0.7% | Mexico | 0.92% |
| 13 | Singapore | 0.7% | Singapore | 0.85% |
| 14 | Netherlands | 0.6% | Netherlands | 0.49% |
| 15 | Hong Kong | 0.5% | India | 0.48% |
| 16 | India | 0.5% | Belgium | 0.47% |
| 17 | Spain | 0.4% | Bahamas | 0.46% |
| 18 | Denmark | 0.4% | Ireland | 0.46% |
| 19 | Norway | 0.3% | Australia | 0.41% |
| 20 | Luxembourg | 0.3% | Denmark | 0.39% |
|
| Total | 100% | Total | 100% |