2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 23 | 43.4% |
2 | China | 17 | 32.1% |
3 | Germany | 9 | 17% |
4 | Netherlands | 4 | 7.5% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 23 | 43.4% |
2 | China | 17 | 32.1% |
3 | Germany | 9 | 17% |
4 | Netherlands | 4 | 7.5% |