2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 8 | 32% |
2 | China | 7 | 28% |
3 | Germany | 7 | 28% |
4 | India | 2 | 8% |
5 | Republic of Korea | 1 | 4% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 8 | 32% |
2 | China | 7 | 28% |
3 | Germany | 7 | 28% |
4 | India | 2 | 8% |
5 | Republic of Korea | 1 | 4% |