2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 11 | 35.5% |
2 | Germany | 9 | 29% |
3 | China | 7 | 22.6% |
4 | Republic of Korea | 2 | 6.5% |
5 | Romania | 2 | 6.5% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 11 | 35.5% |
2 | Germany | 9 | 29% |
3 | China | 7 | 22.6% |
4 | Republic of Korea | 2 | 6.5% |
5 | Romania | 2 | 6.5% |