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Rank | Countries/Territories | Count | Percent |
1 | United States | 155 | 37.3% |
2 | China | 132 | 31.8% |
3 | Germany | 40 | 9.6% |
4 | Japan | 13 | 3.1% |
5 | United Kingdom | 12 | 2.9% |
6 | Norway | 10 | 2.4% |
7 | Netherlands | 7 | 1.7% |
8 | France | 7 | 1.7% |
9 | Australia | 5 | 1.2% |
10 | Singapore | 5 | 1.2% |
11 | Argentina | 4 | 1% |
12 | Malta | 4 | 1% |
13 | Mongolia | 4 | 1% |
14 | Canada | 3 | 0.7% |
15 | Cyprus | 3 | 0.7% |
16 | Korea, Republic of | 2 | 0.5% |
17 | Iran, Islamic Republic of | 2 | 0.5% |
18 | Italy | 2 | 0.5% |
19 | Ukraine | 2 | 0.5% |
20 | Romania | 1 | 0.2% |
21 | Georgia | 1 | 0.2% |
22 | Greece | 1 | 0.2% |
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