2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 16 | 43.2% |
2 | United States | 9 | 24.3% |
3 | Germany | 8 | 21.6% |
4 | Switzerland | 3 | 8.1% |
5 | Moldova, Republic of | 1 | 2.7% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 16 | 43.2% |
2 | United States | 9 | 24.3% |
3 | Germany | 8 | 21.6% |
4 | Switzerland | 3 | 8.1% |
5 | Moldova, Republic of | 1 | 2.7% |