
Rank | Countries/Territories | Count | Percent |
1 | China | 135 | 43.4% |
2 | United States | 61 | 19.6% |
3 | Germany | 50 | 16.1% |
4 | Japan | 17 | 5.5% |
5 | Ireland | 14 | 4.5% |
6 | 5 | 1.6% | |
7 | Bulgaria | 5 | 1.6% |
8 | Russia | 5 | 1.6% |
9 | United Kingdom | 4 | 1.3% |
10 | Romania | 3 | 1% |
11 | Austria | 2 | 0.6% |
12 | Taiwan | 2 | 0.6% |
13 | Turkey | 2 | 0.6% |
14 | Morocco | 2 | 0.6% |
15 | Netherlands | 1 | 0.3% |
16 | Canada | 1 | 0.3% |
17 | Australia | 1 | 0.3% |
18 | Spain | 1 | 0.3% |






