2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 16 | 50% |
2 | Germany | 8 | 25% |
3 | United States | 5 | 15.6% |
4 | Canada | 2 | 6.2% |
5 | Switzerland | 1 | 3.1% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 16 | 50% |
2 | Germany | 8 | 25% |
3 | United States | 5 | 15.6% |
4 | Canada | 2 | 6.2% |
5 | Switzerland | 1 | 3.1% |