2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 17 | 48.6% |
2 | Germany | 9 | 25.7% |
3 | United States | 5 | 14.3% |
4 | United Kingdom | 4 | 11.4% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 17 | 48.6% |
2 | Germany | 9 | 25.7% |
3 | United States | 5 | 14.3% |
4 | United Kingdom | 4 | 11.4% |