2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 27 | 44.3% |
2 | United States | 22 | 36.1% |
3 | Netherlands | 7 | 11.5% |
4 | Korea, Republic of | 5 | 8.2% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 27 | 44.3% |
2 | United States | 22 | 36.1% |
3 | Netherlands | 7 | 11.5% |
4 | Korea, Republic of | 5 | 8.2% |