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Rank | Countries/Territories | Count | Percent |
1 | United States | 221 | 50.6% |
2 | China | 93 | 21.3% |
3 | Germany | 73 | 16.7% |
4 | Russia | 9 | 2.1% |
5 | Japan | 8 | 1.8% |
6 | France | 6 | 1.4% |
7 | Netherlands | 6 | 1.4% |
8 | Hong Kong | 4 | 0.9% |
9 | Cyprus | 3 | 0.7% |
10 | Mexico | 3 | 0.7% |
11 | Turkey | 3 | 0.7% |
12 | Singapore | 2 | 0.5% |
13 | Romania | 2 | 0.5% |
14 | Portugal | 1 | 0.2% |
15 | Ukraine | 1 | 0.2% |
16 | Canada | 1 | 0.2% |
17 | Korea, Republic of | 1 | 0.2% |
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