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排名 | 国家/地区 | 数量 | 占比 |
1 | China | 219 | 67.8% |
2 | United States | 80 | 24.8% |
3 | Germany | 10 | 3.1% |
4 | France | 3 | 0.9% |
5 | Canada | 3 | 0.9% |
6 | Ireland | 2 | 0.6% |
7 | Netherlands | 2 | 0.6% |
8 | South Africa | 1 | 0.3% |
9 | Sweden | 1 | 0.3% |
10 | Mongolia | 1 | 0.3% |
11 | Australia | 1 | 0.3% |
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