2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 23 | 39.7% |
2 | United States | 17 | 29.3% |
3 | Netherlands | 15 | 25.9% |
4 | Germany | 3 | 5.2% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 23 | 39.7% |
2 | United States | 17 | 29.3% |
3 | Netherlands | 15 | 25.9% |
4 | Germany | 3 | 5.2% |