2017 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 10 | 38.5% |
2 | China | 7 | 26.9% |
3 | Germany | 6 | 23.1% |
4 | Netherlands | 3 | 11.5% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 10 | 38.5% |
2 | China | 7 | 26.9% |
3 | Germany | 6 | 23.1% |
4 | Netherlands | 3 | 11.5% |