2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | Germany | 13 | 37.1% |
2 | United States | 11 | 31.4% |
3 | China | 10 | 28.6% |
4 | Korea, Republic of | 1 | 2.9% |
排名 | 国家/地区 | 数量 | 占比 |
1 | Germany | 13 | 37.1% |
2 | United States | 11 | 31.4% |
3 | China | 10 | 28.6% |
4 | Korea, Republic of | 1 | 2.9% |