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排名 | 国家/地区 | 数量 | 占比 |
1 | China | 98 | 43% |
2 | United States | 60 | 26.3% |
3 | Canada | 24 | 10.5% |
4 | Russia | 12 | 5.3% |
5 | Germany | 11 | 4.8% |
6 | Singapore | 9 | 3.9% |
7 | Japan | 5 | 2.2% |
8 | Mongolia | 2 | 0.9% |
9 | Australia | 2 | 0.9% |
10 | Brazil | 2 | 0.9% |
11 | France | 1 | 0.4% |
12 | Taiwan | 1 | 0.4% |
13 | Ukraine | 1 | 0.4% |
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