2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 24 | 57.1% |
2 | Germany | 10 | 23.8% |
3 | China | 4 | 9.5% |
4 | Kazakhstan | 2 | 4.8% |
5 | Taiwan | 2 | 4.8% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 24 | 57.1% |
2 | Germany | 10 | 23.8% |
3 | China | 4 | 9.5% |
4 | Kazakhstan | 2 | 4.8% |
5 | Taiwan | 2 | 4.8% |