2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 18 | 36.7% |
2 | United States | 18 | 36.7% |
3 | Germany | 9 | 18.4% |
4 | Netherlands | 4 | 8.2% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 18 | 36.7% |
2 | United States | 18 | 36.7% |
3 | Germany | 9 | 18.4% |
4 | Netherlands | 4 | 8.2% |