2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 22 | 42.3% |
2 | United States | 21 | 40.4% |
3 | Germany | 6 | 11.5% |
4 | Moldova, Republic of | 3 | 5.8% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 22 | 42.3% |
2 | United States | 21 | 40.4% |
3 | Germany | 6 | 11.5% |
4 | Moldova, Republic of | 3 | 5.8% |