2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 14 | 50% |
2 | Germany | 10 | 35.7% |
3 | Korea, Republic of | 2 | 7.1% |
4 | United States | 2 | 7.1% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 14 | 50% |
2 | Germany | 10 | 35.7% |
3 | Korea, Republic of | 2 | 7.1% |
4 | United States | 2 | 7.1% |