2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 18 | 46.2% |
2 | United States | 10 | 25.6% |
3 | Germany | 8 | 20.5% |
4 | Netherlands | 3 | 7.7% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 18 | 46.2% |
2 | United States | 10 | 25.6% |
3 | Germany | 8 | 20.5% |
4 | Netherlands | 3 | 7.7% |