2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 18 | 30.5% |
2 | China | 16 | 27.1% |
3 | Germany | 15 | 25.4% |
4 | Netherlands | 10 | 16.9% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 18 | 30.5% |
2 | China | 16 | 27.1% |
3 | Germany | 15 | 25.4% |
4 | Netherlands | 10 | 16.9% |