2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 21 | 36.8% |
2 | United States | 16 | 28.1% |
3 | Germany | 13 | 22.8% |
4 | Netherlands | 7 | 12.3% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 21 | 36.8% |
2 | United States | 16 | 28.1% |
3 | Germany | 13 | 22.8% |
4 | Netherlands | 7 | 12.3% |