2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 40 | 56.3% |
2 | United States | 18 | 25.4% |
3 | Germany | 12 | 16.9% |
4 | Korea, Republic of | 1 | 1.4% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 40 | 56.3% |
2 | United States | 18 | 25.4% |
3 | Germany | 12 | 16.9% |
4 | Korea, Republic of | 1 | 1.4% |