
Rank | Countries/Territories | Count | Percent |
1 | United States | 59 | 33.1% |
2 | China | 50 | 28.1% |
3 | Ireland | 28 | 15.7% |
4 | Germany | 9 | 5.1% |
5 | Brazil | 8 | 4.5% |
6 | Russia | 4 | 2.2% |
7 | Iran, Islamic Republic of | 3 | 1.7% |
8 | United Kingdom | 3 | 1.7% |
9 | Canada | 3 | 1.7% |
10 | France | 3 | 1.7% |
11 | Greece | 2 | 1.1% |
12 | Korea, Republic of | 2 | 1.1% |
13 | Netherlands | 1 | 0.6% |
14 | Singapore | 1 | 0.6% |
15 | 1 | 0.6% | |
16 | Australia | 1 | 0.6% |






