2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 17 | 50% |
2 | United States | 8 | 23.5% |
3 | Germany | 6 | 17.6% |
4 | Russia | 2 | 5.9% |
5 | Czech Republic | 1 | 2.9% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 17 | 50% |
2 | United States | 8 | 23.5% |
3 | Germany | 6 | 17.6% |
4 | Russia | 2 | 5.9% |
5 | Czech Republic | 1 | 2.9% |