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排名 | 国家/地区 | 数量 | 占比 |
1 | China | 239 | 71.3% |
2 | United States | 69 | 20.6% |
3 | Japan | 8 | 2.4% |
4 | Singapore | 6 | 1.8% |
5 | Lithuania | 3 | 0.9% |
6 | Mongolia | 2 | 0.6% |
7 | Netherlands | 2 | 0.6% |
8 | South Africa | 2 | 0.6% |
9 | United Kingdom | 2 | 0.6% |
10 | Germany | 2 | 0.6% |
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