2017 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | Germany | 15 | 57.7% |
2 | United States | 7 | 26.9% |
3 | China | 3 | 11.5% |
4 | Netherlands | 1 | 3.8% |
排名 | 国家/地区 | 数量 | 占比 |
1 | Germany | 15 | 57.7% |
2 | United States | 7 | 26.9% |
3 | China | 3 | 11.5% |
4 | Netherlands | 1 | 3.8% |