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Rank | Countries/Territories | Count | Percent |
1 | United States | 464 | 50.7% |
2 | China | 261 | 28.5% |
3 | Germany | 68 | 7.4% |
4 | Russia | 22 | 2.4% |
5 | 14 | 1.5% | |
6 | Japan | 13 | 1.4% |
7 | Slovakia | 12 | 1.3% |
8 | Korea, Republic of | 9 | 1% |
9 | Singapore | 9 | 1% |
10 | Netherlands | 5 | 0.5% |
11 | Cyprus | 5 | 0.5% |
12 | India | 4 | 0.4% |
13 | Canada | 4 | 0.4% |
14 | Spain | 3 | 0.3% |
15 | France | 3 | 0.3% |
16 | Hong Kong | 3 | 0.3% |
17 | Argentina | 3 | 0.3% |
18 | Australia | 3 | 0.3% |
19 | Bulgaria | 2 | 0.2% |
20 | Iran, Islamic Republic of | 2 | 0.2% |
21 | Norway | 2 | 0.2% |
22 | United Kingdom | 2 | 0.2% |
23 | Ukraine | 1 | 0.1% |
24 | Algeria | 1 | 0.1% |
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