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排名 | 国家/地区 | 数量 | 占比 |
1 | China | 152 | 58.7% |
2 | United States | 57 | 22% |
3 | Canada | 23 | 8.9% |
4 | Japan | 8 | 3.1% |
5 | Singapore | 6 | 2.3% |
6 | Germany | 6 | 2.3% |
7 | Iran, Islamic Republic of | 2 | 0.8% |
8 | Turkey | 2 | 0.8% |
9 | Netherlands | 2 | 0.8% |
10 | France | 1 | 0.4% |
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