
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 217 | 72.1% |
2 | United States | 56 | 18.6% |
3 | Germany | 11 | 3.7% |
4 | Netherlands | 6 | 2% |
5 | France | 4 | 1.3% |
6 | India | 3 | 1% |
7 | Iran, Islamic Republic of | 1 | 0.3% |
8 | Hong Kong | 1 | 0.3% |
9 | Australia | 1 | 0.3% |
10 | Bangladesh | 1 | 0.3% |