2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 10 | 45.5% |
2 | Germany | 8 | 36.4% |
3 | Czech Republic | 3 | 13.6% |
4 | United States | 1 | 4.5% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 10 | 45.5% |
2 | Germany | 8 | 36.4% |
3 | Czech Republic | 3 | 13.6% |
4 | United States | 1 | 4.5% |