2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 17 | 42.5% |
2 | Germany | 13 | 32.5% |
3 | Netherlands | 5 | 12.5% |
4 | China | 5 | 12.5% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 17 | 42.5% |
2 | Germany | 13 | 32.5% |
3 | Netherlands | 5 | 12.5% |
4 | China | 5 | 12.5% |