2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | Germany | 14 | 36.8% |
2 | China | 12 | 31.6% |
3 | United States | 10 | 26.3% |
4 | Republic of Korea | 1 | 2.6% |
5 | Saudi Arabia | 1 | 2.6% |
排名 | 国家/地区 | 数量 | 占比 |
1 | Germany | 14 | 36.8% |
2 | China | 12 | 31.6% |
3 | United States | 10 | 26.3% |
4 | Republic of Korea | 1 | 2.6% |
5 | Saudi Arabia | 1 | 2.6% |