
Rank | Countries/Territories | Count | Percent |
1 | United States | 221 | 34% |
2 | China | 122 | 18.8% |
3 | Germany | 103 | 15.8% |
4 | Japan | 50 | 7.7% |
5 | Ireland | 38 | 5.8% |
6 | France | 26 | 4% |
7 | Russia | 22 | 3.4% |
8 | Spain | 12 | 1.8% |
9 | Netherlands | 10 | 1.5% |
10 | Korea, Republic of | 7 | 1.1% |
11 | Canada | 5 | 0.8% |
12 | India | 5 | 0.8% |
13 | Romania | 5 | 0.8% |
14 | Italy | 4 | 0.6% |
15 | Taiwan | 3 | 0.5% |
16 | Iran, Islamic Republic of | 3 | 0.5% |
17 | Israel | 2 | 0.3% |
18 | Cyprus | 2 | 0.3% |
19 | Serbia | 2 | 0.3% |
20 | Singapore | 2 | 0.3% |
21 | Slovakia | 2 | 0.3% |
22 | Malaysia | 1 | 0.2% |
23 | Philippines | 1 | 0.2% |
24 | United Kingdom | 1 | 0.2% |
25 | Viet Nam | 1 | 0.2% |






