
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 116 | 54.5% |
2 | United States | 51 | 23.9% |
3 | United Kingdom | 24 | 11.3% |
4 | Netherlands | 5 | 2.3% |
5 | Germany | 5 | 2.3% |
6 | Iran, Islamic Republic of | 3 | 1.4% |
7 | France | 3 | 1.4% |
8 | Brazil | 2 | 0.9% |
9 | Canada | 1 | 0.5% |
10 | Japan | 1 | 0.5% |
11 | India | 1 | 0.5% |
12 | Bangladesh | 1 | 0.5% |