2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 9 | 47.4% |
2 | China | 5 | 26.3% |
3 | Germany | 3 | 15.8% |
4 | Netherlands | 2 | 10.5% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 9 | 47.4% |
2 | China | 5 | 26.3% |
3 | Germany | 3 | 15.8% |
4 | Netherlands | 2 | 10.5% |