
Rank | Countries/Territories | Count | Percent |
1 | United States | 72 | 33.6% |
2 | Netherlands | 60 | 28% |
3 | China | 29 | 13.6% |
4 | Germany | 13 | 6.1% |
5 | France | 12 | 5.6% |
6 | Greece | 8 | 3.7% |
7 | Canada | 7 | 3.3% |
8 | Ghana | 4 | 1.9% |
9 | Brazil | 3 | 1.4% |
10 | South Africa | 2 | 0.9% |
11 | Korea, Republic of | 2 | 0.9% |
12 | Uzbekistan | 1 | 0.5% |
13 | India | 1 | 0.5% |




