2020 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 9 | 36% |
2 | United States | 6 | 24% |
3 | Germany | 4 | 16% |
4 | Senegal | 3 | 12% |
5 | Canada | 3 | 12% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 9 | 36% |
2 | United States | 6 | 24% |
3 | Germany | 4 | 16% |
4 | Senegal | 3 | 12% |
5 | Canada | 3 | 12% |