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排名 | 国家/地区 | 数量 | 占比 |
1 | China | 134 | 58% |
2 | United States | 74 | 32% |
3 | Japan | 7 | 3% |
4 | Germany | 5 | 2.2% |
5 | Argentina | 2 | 0.9% |
6 | Kazakhstan | 2 | 0.9% |
7 | Korea, Republic of | 2 | 0.9% |
8 | Singapore | 2 | 0.9% |
9 | Norway | 1 | 0.4% |
10 | Australia | 1 | 0.4% |
11 | Canada | 1 | 0.4% |
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