2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 25 | 53.2% |
2 | Germany | 12 | 25.5% |
3 | United States | 8 | 17% |
4 | Republic of Korea | 2 | 4.3% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 25 | 53.2% |
2 | Germany | 12 | 25.5% |
3 | United States | 8 | 17% |
4 | Republic of Korea | 2 | 4.3% |