2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 21 | 36.8% |
2 | United States | 14 | 24.6% |
3 | Germany | 11 | 19.3% |
4 | India | 3 | 5.3% |
5 | Romania | 3 | 5.3% |
6 | Saudi Arabia | 1 | 1.8% |
7 | Israel | 1 | 1.8% |
8 | Japan | 1 | 1.8% |
9 | Mexico | 1 | 1.8% |
10 | Republic of Korea | 1 | 1.8% |