2017 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | Germany | 7 | 41.2% |
2 | China | 6 | 35.3% |
3 | United States | 3 | 17.6% |
4 | Netherlands | 1 | 5.9% |
排名 | 国家/地区 | 数量 | 占比 |
1 | Germany | 7 | 41.2% |
2 | China | 6 | 35.3% |
3 | United States | 3 | 17.6% |
4 | Netherlands | 1 | 5.9% |