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Rank | Countries/Territories | Count | Percent |
1 | China | 137 | 57.3% |
2 | United States | 53 | 22.2% |
3 | 18 | 7.5% | |
4 | Japan | 9 | 3.8% |
5 | Germany | 6 | 2.5% |
6 | Czech Republic | 3 | 1.3% |
7 | Argentina | 2 | 0.8% |
8 | Korea, Republic of | 2 | 0.8% |
9 | Netherlands | 2 | 0.8% |
10 | Ghana | 2 | 0.8% |
11 | Hong Kong | 2 | 0.8% |
12 | Singapore | 1 | 0.4% |
13 | Ukraine | 1 | 0.4% |
14 | France | 1 | 0.4% |
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