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Rank | Countries/Territories | Count | Percent |
1 | United States | 326 | 46.7% |
2 | China | 181 | 25.9% |
3 | Germany | 79 | 11.3% |
4 | 22 | 3.2% | |
5 | Canada | 14 | 2% |
6 | Japan | 11 | 1.6% |
7 | Korea, Republic of | 7 | 1% |
8 | Ireland | 7 | 1% |
9 | Argentina | 7 | 1% |
10 | Spain | 7 | 1% |
11 | Iran, Islamic Republic of | 6 | 0.9% |
12 | Netherlands | 5 | 0.7% |
13 | France | 5 | 0.7% |
14 | Cyprus | 4 | 0.6% |
15 | Hong Kong | 3 | 0.4% |
16 | Tunisia | 3 | 0.4% |
17 | United Kingdom | 3 | 0.4% |
18 | Singapore | 3 | 0.4% |
19 | India | 2 | 0.3% |
20 | Russia | 1 | 0.1% |
21 | Australia | 1 | 0.1% |
22 | Ghana | 1 | 0.1% |
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