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排名 | 国家/地区 | 数量 | 占比 |
1 | China | 156 | 56.7% |
2 | United States | 57 | 20.7% |
3 | Canada | 28 | 10.2% |
4 | Germany | 8 | 2.9% |
5 | France | 7 | 2.5% |
6 | 7 | 2.5% | |
7 | South Africa | 4 | 1.5% |
8 | Ukraine | 2 | 0.7% |
9 | Japan | 2 | 0.7% |
10 | Australia | 2 | 0.7% |
11 | Argentina | 1 | 0.4% |
12 | Hong Kong | 1 | 0.4% |
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