2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 65 | 68.4% |
2 | United States | 19 | 20% |
3 | Germany | 10 | 10.5% |
4 | Republic of Korea | 1 | 1.1% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 65 | 68.4% |
2 | United States | 19 | 20% |
3 | Germany | 10 | 10.5% |
4 | Republic of Korea | 1 | 1.1% |