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排名 | 国家/地区 | 数量 | 占比 |
1 | China | 146 | 60.8% |
2 | United States | 44 | 18.3% |
3 | Germany | 16 | 6.7% |
4 | Canada | 11 | 4.6% |
5 | 6 | 2.5% | |
6 | Japan | 6 | 2.5% |
7 | Singapore | 5 | 2.1% |
8 | France | 2 | 0.8% |
9 | Mongolia | 1 | 0.4% |
10 | Ireland | 1 | 0.4% |
11 | Taiwan | 1 | 0.4% |
12 | Ukraine | 1 | 0.4% |
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