2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 24 | 44.4% |
2 | United States | 17 | 31.5% |
3 | Germany | 11 | 20.4% |
4 | Republic of Korea | 1 | 1.9% |
5 | Saudi Arabia | 1 | 1.9% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 24 | 44.4% |
2 | United States | 17 | 31.5% |
3 | Germany | 11 | 20.4% |
4 | Republic of Korea | 1 | 1.9% |
5 | Saudi Arabia | 1 | 1.9% |