2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 30 | 60% |
2 | United States | 10 | 20% |
3 | Germany | 6 | 12% |
4 | Netherlands | 3 | 6% |
5 | Romania | 1 | 2% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 30 | 60% |
2 | United States | 10 | 20% |
3 | Germany | 6 | 12% |
4 | Netherlands | 3 | 6% |
5 | Romania | 1 | 2% |