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排名 | 国家/地区 | 数量 | 占比 |
1 | China | 252 | 73.9% |
2 | United States | 58 | 17% |
3 | Germany | 7 | 2.1% |
4 | India | 7 | 2.1% |
5 | Japan | 4 | 1.2% |
6 | Canada | 4 | 1.2% |
7 | France | 2 | 0.6% |
8 | Mongolia | 2 | 0.6% |
9 | South Africa | 2 | 0.6% |
10 | Hong Kong | 2 | 0.6% |
11 | Argentina | 1 | 0.3% |
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