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排名 | 国家/地区 | 数量 | 占比 |
1 | China | 152 | 36.5% |
2 | United States | 106 | 25.5% |
3 | Canada | 71 | 17.1% |
4 | India | 47 | 11.3% |
5 | Singapore | 10 | 2.4% |
6 | Germany | 7 | 1.7% |
7 | Cote D'ivoire | 6 | 1.4% |
8 | Morocco | 6 | 1.4% |
9 | Poland | 3 | 0.7% |
10 | France | 2 | 0.5% |
11 | Japan | 2 | 0.5% |
12 | Korea, Republic of | 2 | 0.5% |
13 | Mauritius | 2 | 0.5% |
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