2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 28 | 42.4% |
2 | China | 27 | 40.9% |
3 | Germany | 8 | 12.1% |
4 | Netherlands | 3 | 4.5% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 28 | 42.4% |
2 | China | 27 | 40.9% |
3 | Germany | 8 | 12.1% |
4 | Netherlands | 3 | 4.5% |