2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 23 | 40.4% |
2 | China | 19 | 33.3% |
3 | Germany | 10 | 17.5% |
4 | Netherlands | 5 | 8.8% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 23 | 40.4% |
2 | China | 19 | 33.3% |
3 | Germany | 10 | 17.5% |
4 | Netherlands | 5 | 8.8% |