
Rank | Countries/Territories | Count | Percent |
1 | China | 50 | 39.4% |
2 | United States | 42 | 33.1% |
3 | India | 7 | 5.5% |
4 | Germany | 6 | 4.7% |
5 | Korea, Republic of | 6 | 4.7% |
6 | Romania | 4 | 3.1% |
7 | 3 | 2.4% | |
8 | Slovakia | 2 | 1.6% |
9 | Taiwan | 2 | 1.6% |
10 | United Kingdom | 2 | 1.6% |
11 | Ireland | 2 | 1.6% |
12 | Poland | 1 | 0.8% |






