2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 15 | 51.7% |
2 | China | 10 | 34.5% |
3 | Germany | 2 | 6.9% |
4 | Netherlands | 2 | 6.9% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 15 | 51.7% |
2 | China | 10 | 34.5% |
3 | Germany | 2 | 6.9% |
4 | Netherlands | 2 | 6.9% |