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Rank | Countries/Territories | Count | Percent |
1 | China | 147 | 59.3% |
2 | United States | 64 | 25.8% |
3 | Germany | 17 | 6.9% |
4 | Singapore | 8 | 3.2% |
5 | Bulgaria | 3 | 1.2% |
6 | Hong Kong | 2 | 0.8% |
7 | Japan | 2 | 0.8% |
8 | Morocco | 2 | 0.8% |
9 | Netherlands | 2 | 0.8% |
10 | Canada | 1 | 0.4% |
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