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排名 | 国家/地区 | 数量 | 占比 |
1 | China | 279 | 62% |
2 | Canada | 75 | 16.7% |
3 | United States | 58 | 12.9% |
4 | 10 | 2.2% | |
5 | Japan | 10 | 2.2% |
6 | Singapore | 5 | 1.1% |
7 | Germany | 4 | 0.9% |
8 | Iran, Islamic Republic of | 2 | 0.4% |
9 | United Kingdom | 2 | 0.4% |
10 | South Africa | 2 | 0.4% |
11 | France | 2 | 0.4% |
12 | Ukraine | 1 | 0.2% |
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