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Rank | Countries/Territories | Count | Percent |
1 | China | 173 | 59% |
2 | United States | 65 | 22.2% |
3 | Japan | 18 | 6.1% |
4 | Germany | 11 | 3.8% |
5 | Singapore | 9 | 3.1% |
6 | Brazil | 5 | 1.7% |
7 | Iran, Islamic Republic of | 3 | 1% |
8 | France | 3 | 1% |
9 | Netherlands | 2 | 0.7% |
10 | Argentina | 2 | 0.7% |
11 | Cuba | 1 | 0.3% |
12 | Denmark | 1 | 0.3% |
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