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排名 | 国家/地区 | 数量 | 占比 |
1 | China | 218 | 69% |
2 | United States | 65 | 20.6% |
3 | Germany | 7 | 2.2% |
4 | Mongolia | 7 | 2.2% |
5 | Japan | 4 | 1.3% |
6 | South Africa | 3 | 0.9% |
7 | Singapore | 2 | 0.6% |
8 | Argentina | 2 | 0.6% |
9 | Cambodia | 2 | 0.6% |
10 | Canada | 2 | 0.6% |
11 | France | 1 | 0.3% |
12 | Russia | 1 | 0.3% |
13 | Ukraine | 1 | 0.3% |
14 | United Kingdom | 1 | 0.3% |
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