2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 14 | 37.8% |
2 | Germany | 12 | 32.4% |
3 | Netherlands | 7 | 18.9% |
4 | China | 4 | 10.8% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 14 | 37.8% |
2 | Germany | 12 | 32.4% |
3 | Netherlands | 7 | 18.9% |
4 | China | 4 | 10.8% |