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Rank | Countries/Territories | Count | Percent |
1 | China | 159 | 55% |
2 | United States | 80 | 27.7% |
3 | Japan | 22 | 7.6% |
4 | Singapore | 10 | 3.5% |
5 | Canada | 6 | 2.1% |
6 | Germany | 5 | 1.7% |
7 | Iran, Islamic Republic of | 2 | 0.7% |
8 | France | 2 | 0.7% |
9 | Netherlands | 1 | 0.3% |
10 | Australia | 1 | 0.3% |
11 | Denmark | 1 | 0.3% |
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