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Rank | Countries/Territories | Count | Percent |
1 | China | 157 | 39.7% |
2 | United States | 128 | 32.4% |
3 | Germany | 41 | 10.4% |
4 | Japan | 10 | 2.5% |
5 | Australia | 9 | 2.3% |
6 | Bulgaria | 7 | 1.8% |
7 | India | 7 | 1.8% |
8 | Netherlands | 7 | 1.8% |
9 | France | 6 | 1.5% |
10 | Russia | 5 | 1.3% |
11 | Singapore | 5 | 1.3% |
12 | Cyprus | 4 | 1% |
13 | Burkina Faso | 3 | 0.8% |
14 | Norway | 2 | 0.5% |
15 | Nigeria | 1 | 0.3% |
16 | Korea, Republic of | 1 | 0.3% |
17 | Canada | 1 | 0.3% |
18 | Ireland | 1 | 0.3% |
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