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Rank | Countries/Territories | Count | Percent |
1 | China | 157 | 48.6% |
2 | United States | 91 | 28.2% |
3 | Canada | 11 | 3.4% |
4 | Germany | 11 | 3.4% |
5 | Singapore | 9 | 2.8% |
6 | India | 7 | 2.2% |
7 | Spain | 5 | 1.5% |
8 | Japan | 5 | 1.5% |
9 | Mexico | 5 | 1.5% |
10 | Romania | 5 | 1.5% |
11 | Belgium | 4 | 1.2% |
12 | Iran, Islamic Republic of | 3 | 0.9% |
13 | Ireland | 3 | 0.9% |
14 | United Kingdom | 3 | 0.9% |
15 | Denmark | 2 | 0.6% |
16 | Russia | 1 | 0.3% |
17 | Netherlands | 1 | 0.3% |
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