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排名 | 国家/地区 | 数量 | 占比 |
1 | China | 143 | 48% |
2 | United States | 97 | 32.6% |
3 | Canada | 22 | 7.4% |
4 | Singapore | 9 | 3% |
5 | Ukraine | 8 | 2.7% |
6 | Taiwan | 5 | 1.7% |
7 | South Africa | 4 | 1.3% |
8 | Japan | 4 | 1.3% |
9 | Germany | 3 | 1% |
10 | Hong Kong | 1 | 0.3% |
11 | Argentina | 1 | 0.3% |
12 | Australia | 1 | 0.3% |
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