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Rank | Countries/Territories | Count | Percent |
1 | China | 155 | 52.5% |
2 | United States | 63 | 21.4% |
3 | Bulgaria | 18 | 6.1% |
4 | Japan | 18 | 6.1% |
5 | 13 | 4.4% | |
6 | Germany | 5 | 1.7% |
7 | Netherlands | 5 | 1.7% |
8 | Singapore | 3 | 1% |
9 | Iran, Islamic Republic of | 3 | 1% |
10 | Australia | 3 | 1% |
11 | Latvia | 2 | 0.7% |
12 | Mauritius | 2 | 0.7% |
13 | Mongolia | 2 | 0.7% |
14 | Romania | 2 | 0.7% |
15 | Switzerland | 1 | 0.3% |
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