2017 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | Germany | 15 | 46.9% |
2 | United States | 11 | 34.4% |
3 | China | 5 | 15.6% |
4 | Netherlands | 1 | 3.1% |
排名 | 国家/地区 | 数量 | 占比 |
1 | Germany | 15 | 46.9% |
2 | United States | 11 | 34.4% |
3 | China | 5 | 15.6% |
4 | Netherlands | 1 | 3.1% |