2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 20 | 52.6% |
2 | Germany | 9 | 23.7% |
3 | United States | 5 | 13.2% |
4 | Netherlands | 4 | 10.5% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 20 | 52.6% |
2 | Germany | 9 | 23.7% |
3 | United States | 5 | 13.2% |
4 | Netherlands | 4 | 10.5% |