2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 35 | 41.7% |
2 | China | 22 | 26.2% |
3 | Germany | 14 | 16.7% |
4 | Netherlands | 6 | 7.1% |
5 | Japan | 2 | 2.4% |
6 | India | 2 | 2.4% |
7 | Ireland | 1 | 1.2% |
8 | France | 1 | 1.2% |
9 | Korea, Republic of | 1 | 1.2% |