2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 21 | 58.3% |
2 | United States | 8 | 22.2% |
3 | Germany | 6 | 16.7% |
4 | Netherlands | 1 | 2.8% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 21 | 58.3% |
2 | United States | 8 | 22.2% |
3 | Germany | 6 | 16.7% |
4 | Netherlands | 1 | 2.8% |