2017 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | Germany | 4 | 44.4% |
2 | China | 2 | 22.2% |
3 | United States | 2 | 22.2% |
4 | Singapore | 1 | 11.1% |
排名 | 国家/地区 | 数量 | 占比 |
1 | Germany | 4 | 44.4% |
2 | China | 2 | 22.2% |
3 | United States | 2 | 22.2% |
4 | Singapore | 1 | 11.1% |