2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 14 | 37.8% |
2 | Germany | 10 | 27% |
3 | China | 9 | 24.3% |
4 | Netherlands | 2 | 5.4% |
5 | Republic of Korea | 2 | 5.4% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 14 | 37.8% |
2 | Germany | 10 | 27% |
3 | China | 9 | 24.3% |
4 | Netherlands | 2 | 5.4% |
5 | Republic of Korea | 2 | 5.4% |