2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 60 | 66.7% |
2 | United States | 19 | 21.1% |
3 | Germany | 10 | 11.1% |
4 | Republic of Korea | 1 | 1.1% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 60 | 66.7% |
2 | United States | 19 | 21.1% |
3 | Germany | 10 | 11.1% |
4 | Republic of Korea | 1 | 1.1% |