2017 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | Germany | 15 | 60% |
2 | China | 5 | 20% |
3 | United States | 3 | 12% |
4 | Japan | 1 | 4% |
5 | Taiwan | 1 | 4% |
排名 | 国家/地区 | 数量 | 占比 |
1 | Germany | 15 | 60% |
2 | China | 5 | 20% |
3 | United States | 3 | 12% |
4 | Japan | 1 | 4% |
5 | Taiwan | 1 | 4% |