2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 15 | 37.5% |
2 | Germany | 12 | 30% |
3 | China | 8 | 20% |
4 | Netherlands | 3 | 7.5% |
5 | Republic of Korea | 2 | 5% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 15 | 37.5% |
2 | Germany | 12 | 30% |
3 | China | 8 | 20% |
4 | Netherlands | 3 | 7.5% |
5 | Republic of Korea | 2 | 5% |