2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 27 | 40.9% |
2 | China | 22 | 33.3% |
3 | Netherlands | 14 | 21.2% |
4 | Korea, Republic of | 3 | 4.5% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 27 | 40.9% |
2 | China | 22 | 33.3% |
3 | Netherlands | 14 | 21.2% |
4 | Korea, Republic of | 3 | 4.5% |