
Rank | Countries/Territories | Count | Percent |
1 | United States | 53 | 35.8% |
2 | China | 32 | 21.6% |
3 | Germany | 18 | 12.2% |
4 | Netherlands | 8 | 5.4% |
5 | Italy | 7 | 4.7% |
6 | Canada | 7 | 4.7% |
7 | Ireland | 6 | 4.1% |
8 | France | 6 | 4.1% |
9 | Japan | 3 | 2% |
10 | Australia | 3 | 2% |
11 | Ukraine | 2 | 1.4% |
12 | Slovakia | 1 | 0.7% |
13 | Uzbekistan | 1 | 0.7% |
14 | Czech Republic | 1 | 0.7% |






