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排名 | 国家/地区 | 数量 | 占比 |
1 | China | 131 | 56.2% |
2 | United States | 56 | 24% |
3 | Canada | 15 | 6.4% |
4 | South Africa | 11 | 4.7% |
5 | Russia | 8 | 3.4% |
6 | Germany | 4 | 1.7% |
7 | Japan | 2 | 0.9% |
8 | Mongolia | 2 | 0.9% |
9 | Netherlands | 2 | 0.9% |
10 | Singapore | 1 | 0.4% |
11 | Australia | 1 | 0.4% |
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