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排名 | 国家/地区 | 数量 | 占比 |
1 | China | 288 | 74.2% |
2 | United States | 59 | 15.2% |
3 | Iran, Islamic Republic of | 29 | 7.5% |
4 | Japan | 2 | 0.5% |
5 | South Africa | 2 | 0.5% |
6 | Ukraine | 2 | 0.5% |
7 | France | 2 | 0.5% |
8 | Germany | 2 | 0.5% |
9 | Argentina | 1 | 0.3% |
10 | Canada | 1 | 0.3% |
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