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排名 | 国家/地区 | 数量 | 占比 |
1 | China | 229 | 70% |
2 | United States | 48 | 14.7% |
3 | Canada | 21 | 6.4% |
4 | 8 | 2.4% | |
5 | Russia | 7 | 2.1% |
6 | Germany | 5 | 1.5% |
7 | Japan | 3 | 0.9% |
8 | Bangladesh | 2 | 0.6% |
9 | Taiwan | 2 | 0.6% |
10 | Argentina | 1 | 0.3% |
11 | Singapore | 1 | 0.3% |
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