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Rank | Countries/Territories | Count | Percent |
1 | United States | 284 | 45.3% |
2 | China | 162 | 25.8% |
3 | Germany | 70 | 11.2% |
4 | France | 24 | 3.8% |
5 | Japan | 15 | 2.4% |
6 | Canada | 13 | 2.1% |
7 | Argentina | 11 | 1.8% |
8 | Korea, Republic of | 8 | 1.3% |
9 | Netherlands | 7 | 1.1% |
10 | Philippines | 7 | 1.1% |
11 | Singapore | 5 | 0.8% |
12 | Ireland | 4 | 0.6% |
13 | United Kingdom | 4 | 0.6% |
14 | Australia | 3 | 0.5% |
15 | Cyprus | 3 | 0.5% |
16 | Iran, Islamic Republic of | 2 | 0.3% |
17 | Mongolia | 2 | 0.3% |
18 | Ukraine | 2 | 0.3% |
19 | Hong Kong | 1 | 0.2% |
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