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Rank | Countries/Territories | Count | Percent |
1 | China | 139 | 54.3% |
2 | United States | 65 | 25.4% |
3 | 17 | 6.6% | |
4 | Japan | 9 | 3.5% |
5 | Germany | 6 | 2.3% |
6 | Iran, Islamic Republic of | 4 | 1.6% |
7 | Canada | 4 | 1.6% |
8 | Argentina | 3 | 1.2% |
9 | Poland | 2 | 0.8% |
10 | Singapore | 2 | 0.8% |
11 | Ukraine | 2 | 0.8% |
12 | Taiwan | 1 | 0.4% |
13 | Lithuania | 1 | 0.4% |
14 | Australia | 1 | 0.4% |
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