2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 18 | 45% |
2 | United States | 11 | 27.5% |
3 | Germany | 8 | 20% |
4 | Lao People's Democratic Republic | 3 | 7.5% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 18 | 45% |
2 | United States | 11 | 27.5% |
3 | Germany | 8 | 20% |
4 | Lao People's Democratic Republic | 3 | 7.5% |