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Rank | Countries/Territories | Count | Percent |
1 | United States | 162 | 36.7% |
2 | China | 155 | 35.1% |
3 | Germany | 55 | 12.4% |
4 | Canada | 14 | 3.2% |
5 | France | 7 | 1.6% |
6 | Ukraine | 6 | 1.4% |
7 | Cyprus | 6 | 1.4% |
8 | Mongolia | 6 | 1.4% |
9 | Netherlands | 6 | 1.4% |
10 | Russia | 4 | 0.9% |
11 | Singapore | 4 | 0.9% |
12 | Japan | 3 | 0.7% |
13 | 3 | 0.7% | |
14 | Australia | 3 | 0.7% |
15 | Bulgaria | 2 | 0.5% |
16 | Ireland | 2 | 0.5% |
17 | Korea, Republic of | 1 | 0.2% |
18 | Switzerland | 1 | 0.2% |
19 | Bangladesh | 1 | 0.2% |
20 | Argentina | 1 | 0.2% |
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