2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 72 | 64.3% |
2 | United States | 32 | 28.6% |
3 | Germany | 7 | 6.2% |
4 | Republic of Korea | 1 | 0.9% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 72 | 64.3% |
2 | United States | 32 | 28.6% |
3 | Germany | 7 | 6.2% |
4 | Republic of Korea | 1 | 0.9% |