
Rank | Countries/Territories | Count | Percent |
1 | United States | 110 | 40.7% |
2 | China | 47 | 17.4% |
3 | Ireland | 44 | 16.3% |
4 | Germany | 14 | 5.2% |
5 | Korea, Republic of | 11 | 4.1% |
6 | Romania | 5 | 1.9% |
7 | India | 5 | 1.9% |
8 | Egypt | 4 | 1.5% |
9 | Malaysia | 4 | 1.5% |
10 | Spain | 4 | 1.5% |
11 | Ethiopia | 3 | 1.1% |
12 | Iran, Islamic Republic of | 3 | 1.1% |
13 | Canada | 2 | 0.7% |
14 | Netherlands | 2 | 0.7% |
15 | Viet Nam | 2 | 0.7% |
16 | Thailand | 2 | 0.7% |
17 | Tajikistan | 1 | 0.4% |
18 | Pakistan | 1 | 0.4% |
19 | Russia | 1 | 0.4% |
20 | Slovakia | 1 | 0.4% |
21 | Italy | 1 | 0.4% |
22 | Japan | 1 | 0.4% |
23 | Indonesia | 1 | 0.4% |
24 | Colombia | 1 | 0.4% |






