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Rank | Countries/Territories | Count | Percent |
1 | United States | 370 | 50.8% |
2 | Germany | 114 | 15.6% |
3 | China | 104 | 14.3% |
4 | Iran, Islamic Republic of | 33 | 4.5% |
5 | Poland | 25 | 3.4% |
6 | France | 16 | 2.2% |
7 | Singapore | 12 | 1.6% |
8 | Netherlands | 11 | 1.5% |
9 | Japan | 9 | 1.2% |
10 | Korea, Republic of | 8 | 1.1% |
11 | Ireland | 7 | 1% |
12 | Cyprus | 7 | 1% |
13 | Ukraine | 3 | 0.4% |
14 | Canada | 2 | 0.3% |
15 | Lithuania | 2 | 0.3% |
16 | Mongolia | 1 | 0.1% |
17 | Spain | 1 | 0.1% |
18 | Switzerland | 1 | 0.1% |
19 | Argentina | 1 | 0.1% |
20 | Australia | 1 | 0.1% |
21 | Austria | 1 | 0.1% |
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