2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 30 | 46.2% |
2 | United States | 20 | 30.8% |
3 | Germany | 10 | 15.4% |
4 | Netherlands | 5 | 7.7% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 30 | 46.2% |
2 | United States | 20 | 30.8% |
3 | Germany | 10 | 15.4% |
4 | Netherlands | 5 | 7.7% |