2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 16 | 36.4% |
2 | United States | 13 | 29.5% |
3 | Germany | 11 | 25% |
4 | Republic of Korea | 2 | 4.5% |
5 | 2 | 4.5% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 16 | 36.4% |
2 | United States | 13 | 29.5% |
3 | Germany | 11 | 25% |
4 | Republic of Korea | 2 | 4.5% |
5 | 2 | 4.5% |