2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 21 | 32.3% |
2 | United States | 20 | 30.8% |
3 | Netherlands | 13 | 20% |
4 | Korea, Republic of | 9 | 13.8% |
5 | Czech Republic | 2 | 3.1% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 21 | 32.3% |
2 | United States | 20 | 30.8% |
3 | Netherlands | 13 | 20% |
4 | Korea, Republic of | 9 | 13.8% |
5 | Czech Republic | 2 | 3.1% |