2020 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 13 | 50% |
2 | China | 9 | 34.6% |
3 | Germany | 2 | 7.7% |
4 | Russia | 1 | 3.8% |
5 | Taiwan | 1 | 3.8% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 13 | 50% |
2 | China | 9 | 34.6% |
3 | Germany | 2 | 7.7% |
4 | Russia | 1 | 3.8% |
5 | Taiwan | 1 | 3.8% |