2017 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 19 | 51.4% |
2 | Germany | 15 | 40.5% |
3 | China | 2 | 5.4% |
4 | Netherlands | 1 | 2.7% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 19 | 51.4% |
2 | Germany | 15 | 40.5% |
3 | China | 2 | 5.4% |
4 | Netherlands | 1 | 2.7% |