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排名 | 国家/地区 | 数量 | 占比 |
1 | China | 154 | 54% |
2 | United States | 97 | 34% |
3 | Germany | 8 | 2.8% |
4 | Japan | 6 | 2.1% |
5 | France | 6 | 2.1% |
6 | Netherlands | 4 | 1.4% |
7 | Canada | 3 | 1.1% |
8 | Australia | 2 | 0.7% |
9 | Russia | 1 | 0.4% |
10 | South Africa | 1 | 0.4% |
11 | Sweden | 1 | 0.4% |
12 | Switzerland | 1 | 0.4% |
13 | Mongolia | 1 | 0.4% |
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