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排名 | 国家/地区 | 数量 | 占比 |
1 | China | 145 | 63% |
2 | United States | 56 | 24.3% |
3 | 8 | 3.5% | |
4 | Germany | 8 | 3.5% |
5 | South Africa | 4 | 1.7% |
6 | Ukraine | 3 | 1.3% |
7 | Singapore | 2 | 0.9% |
8 | United Kingdom | 1 | 0.4% |
9 | Netherlands | 1 | 0.4% |
10 | Australia | 1 | 0.4% |
11 | France | 1 | 0.4% |
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