2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 30 | 44.8% |
2 | Germany | 15 | 22.4% |
3 | United States | 14 | 20.9% |
4 | India | 3 | 4.5% |
5 | Ireland | 1 | 1.5% |
6 | Japan | 1 | 1.5% |
7 | Republic of Korea | 1 | 1.5% |
8 | Saudi Arabia | 1 | 1.5% |
9 | France | 1 | 1.5% |