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Rank | Countries/Territories | Count | Percent |
1 | China | 136 | 70.1% |
2 | United States | 32 | 16.5% |
3 | 9 | 4.6% | |
4 | Argentina | 4 | 2.1% |
5 | Germany | 4 | 2.1% |
6 | Iran, Islamic Republic of | 2 | 1% |
7 | Japan | 2 | 1% |
8 | Netherlands | 2 | 1% |
9 | France | 2 | 1% |
10 | Canada | 1 | 0.5% |
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