
Rank | Countries/Territories | Count | Percent |
1 | United States | 22 | 33.8% |
2 | China | 18 | 27.7% |
3 | Ireland | 5 | 7.7% |
4 | Germany | 4 | 6.2% |
5 | India | 3 | 4.6% |
6 | Iran, Islamic Republic of | 3 | 4.6% |
7 | Costa Rica | 2 | 3.1% |
8 | Korea, Republic of | 2 | 3.1% |
9 | Sweden | 2 | 3.1% |
10 | Turkey | 2 | 3.1% |
11 | Lithuania | 1 | 1.5% |
12 | Mexico | 1 | 1.5% |






