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Rank | Countries/Territories | Count | Percent |
1 | China | 139 | 57.7% |
2 | United States | 43 | 17.8% |
3 | Germany | 18 | 7.5% |
4 | Japan | 12 | 5% |
5 | Singapore | 10 | 4.1% |
6 | Bulgaria | 4 | 1.7% |
7 | Netherlands | 4 | 1.7% |
8 | South Africa | 2 | 0.8% |
9 | Taiwan | 2 | 0.8% |
10 | Hong Kong | 2 | 0.8% |
11 | Australia | 2 | 0.8% |
12 | Argentina | 1 | 0.4% |
13 | France | 1 | 0.4% |
14 | Mongolia | 1 | 0.4% |
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