2017 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | Germany | 17 | 47.2% |
2 | United States | 13 | 36.1% |
3 | China | 5 | 13.9% |
4 | Netherlands | 1 | 2.8% |
排名 | 国家/地区 | 数量 | 占比 |
1 | Germany | 17 | 47.2% |
2 | United States | 13 | 36.1% |
3 | China | 5 | 13.9% |
4 | Netherlands | 1 | 2.8% |