2017 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | Germany | 15 | 45.5% |
2 | Netherlands | 9 | 27.3% |
3 | United States | 7 | 21.2% |
4 | China | 2 | 6.1% |
排名 | 国家/地区 | 数量 | 占比 |
1 | Germany | 15 | 45.5% |
2 | Netherlands | 9 | 27.3% |
3 | United States | 7 | 21.2% |
4 | China | 2 | 6.1% |