2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | Germany | 9 | 45% |
2 | China | 8 | 40% |
3 | Russia | 1 | 5% |
4 | Switzerland | 1 | 5% |
5 | United States | 1 | 5% |
排名 | 国家/地区 | 数量 | 占比 |
1 | Germany | 9 | 45% |
2 | China | 8 | 40% |
3 | Russia | 1 | 5% |
4 | Switzerland | 1 | 5% |
5 | United States | 1 | 5% |