2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 22 | 37.3% |
2 | China | 18 | 30.5% |
3 | Netherlands | 12 | 20.3% |
4 | Korea, Republic of | 5 | 8.5% |
5 | Germany | 2 | 3.4% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 22 | 37.3% |
2 | China | 18 | 30.5% |
3 | Netherlands | 12 | 20.3% |
4 | Korea, Republic of | 5 | 8.5% |
5 | Germany | 2 | 3.4% |