2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 19 | 50% |
2 | Germany | 9 | 23.7% |
3 | United States | 8 | 21.1% |
4 | Netherlands | 2 | 5.3% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 19 | 50% |
2 | Germany | 9 | 23.7% |
3 | United States | 8 | 21.1% |
4 | Netherlands | 2 | 5.3% |