
Rank | Countries/Territories | Count | Percent |
1 | United States | 74 | 31.8% |
2 | China | 50 | 21.5% |
3 | Korea, Republic of | 28 | 12% |
4 | Germany | 13 | 5.6% |
5 | Ireland | 10 | 4.3% |
6 | Japan | 9 | 3.9% |
7 | India | 8 | 3.4% |
8 | Hong Kong | 6 | 2.6% |
9 | Finland | 4 | 1.7% |
10 | Australia | 4 | 1.7% |
11 | Iran, Islamic Republic of | 4 | 1.7% |
12 | Russia | 4 | 1.7% |
13 | Switzerland | 3 | 1.3% |
14 | Indonesia | 3 | 1.3% |
15 | Belgium | 2 | 0.9% |
16 | Egypt | 2 | 0.9% |
17 | Turkey | 2 | 0.9% |
18 | Viet Nam | 2 | 0.9% |
19 | Spain | 1 | 0.4% |
20 | France | 1 | 0.4% |
21 | Bulgaria | 1 | 0.4% |
22 | Canada | 1 | 0.4% |
23 | Netherlands | 1 | 0.4% |






