
Rank | Countries/Territories | Count | Percent |
1 | United States | 148 | 34.7% |
2 | Ireland | 81 | 19% |
3 | China | 79 | 18.5% |
4 | Germany | 25 | 5.9% |
5 | Netherlands | 23 | 5.4% |
6 | 21 | 4.9% | |
7 | Canada | 15 | 3.5% |
8 | Russia | 10 | 2.3% |
9 | France | 8 | 1.9% |
10 | Korea, Republic of | 5 | 1.2% |
11 | Cyprus | 4 | 0.9% |
12 | Greece | 2 | 0.5% |
13 | Singapore | 2 | 0.5% |
14 | Spain | 2 | 0.5% |
15 | United Kingdom | 1 | 0.2% |
16 | Egypt | 1 | 0.2% |






