2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 15 | 44.1% |
2 | United States | 8 | 23.5% |
3 | Germany | 7 | 20.6% |
4 | Korea, Republic of | 2 | 5.9% |
5 | Latvia | 2 | 5.9% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 15 | 44.1% |
2 | United States | 8 | 23.5% |
3 | Germany | 7 | 20.6% |
4 | Korea, Republic of | 2 | 5.9% |
5 | Latvia | 2 | 5.9% |