2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 21 | 77.8% |
2 | Germany | 3 | 11.1% |
3 | Netherlands | 2 | 7.4% |
4 | China | 1 | 3.7% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 21 | 77.8% |
2 | Germany | 3 | 11.1% |
3 | Netherlands | 2 | 7.4% |
4 | China | 1 | 3.7% |