
Rank | Countries/Territories | Count | Percent |
1 | United States | 91 | 45.7% |
2 | China | 53 | 26.6% |
3 | India | 10 | 5% |
4 | Korea, Republic of | 10 | 5% |
5 | Ireland | 6 | 3% |
6 | Germany | 6 | 3% |
7 | 4 | 2% | |
8 | Romania | 4 | 2% |
9 | Slovakia | 3 | 1.5% |
10 | France | 2 | 1% |
11 | Singapore | 2 | 1% |
12 | Denmark | 1 | 0.5% |
13 | Australia | 1 | 0.5% |
14 | Bulgaria | 1 | 0.5% |
15 | Canada | 1 | 0.5% |
16 | Taiwan | 1 | 0.5% |
17 | United Kingdom | 1 | 0.5% |
18 | Russia | 1 | 0.5% |
19 | Pakistan | 1 | 0.5% |






