2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 21 | 43.8% |
2 | China | 13 | 27.1% |
3 | Germany | 9 | 18.8% |
4 | Romania | 3 | 6.2% |
5 | Republic of Korea | 2 | 4.2% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 21 | 43.8% |
2 | China | 13 | 27.1% |
3 | Germany | 9 | 18.8% |
4 | Romania | 3 | 6.2% |
5 | Republic of Korea | 2 | 4.2% |