2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 12 | 50% |
2 | China | 6 | 25% |
3 | Germany | 2 | 8.3% |
4 | Netherlands | 2 | 8.3% |
5 | United Kingdom | 2 | 8.3% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 12 | 50% |
2 | China | 6 | 25% |
3 | Germany | 2 | 8.3% |
4 | Netherlands | 2 | 8.3% |
5 | United Kingdom | 2 | 8.3% |