2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 22 | 44.9% |
2 | Germany | 12 | 24.5% |
3 | China | 10 | 20.4% |
4 | Netherlands | 5 | 10.2% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 22 | 44.9% |
2 | Germany | 12 | 24.5% |
3 | China | 10 | 20.4% |
4 | Netherlands | 5 | 10.2% |