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Rank | Countries/Territories | Count | Percent |
1 | United States | 224 | 35.9% |
2 | China | 219 | 35.1% |
3 | Germany | 52 | 8.3% |
4 | Iran, Islamic Republic of | 30 | 4.8% |
5 | Japan | 13 | 2.1% |
6 | Netherlands | 11 | 1.8% |
7 | Spain | 11 | 1.8% |
8 | Singapore | 10 | 1.6% |
9 | Korea, Republic of | 9 | 1.4% |
10 | Ireland | 6 | 1% |
11 | Turkey | 6 | 1% |
12 | United Kingdom | 6 | 1% |
13 | Cyprus | 5 | 0.8% |
14 | France | 4 | 0.6% |
15 | Hong Kong | 3 | 0.5% |
16 | Australia | 3 | 0.5% |
17 | Bulgaria | 2 | 0.3% |
18 | Canada | 2 | 0.3% |
19 | India | 2 | 0.3% |
20 | Egypt | 2 | 0.3% |
21 | Mongolia | 2 | 0.3% |
22 | Thailand | 1 | 0.2% |
23 | Bangladesh | 1 | 0.2% |
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