
Rank | Countries/Territories | Count | Percent |
1 | United States | 73 | 50.3% |
2 | China | 26 | 17.9% |
3 | Germany | 10 | 6.9% |
4 | Korea, Republic of | 9 | 6.2% |
5 | Ireland | 5 | 3.4% |
6 | Taiwan | 4 | 2.8% |
7 | Russia | 3 | 2.1% |
8 | Denmark | 3 | 2.1% |
9 | France | 2 | 1.4% |
10 | India | 2 | 1.4% |
11 | Luxembourg | 2 | 1.4% |
12 | Singapore | 2 | 1.4% |
13 | Sweden | 2 | 1.4% |
14 | Philippines | 1 | 0.7% |
15 | Australia | 1 | 0.7% |






