2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 23 | 38.3% |
2 | Germany | 14 | 23.3% |
3 | United States | 9 | 15% |
4 | India | 4 | 6.7% |
5 | Republic of Korea | 3 | 5% |
6 | Romania | 3 | 5% |
7 | Saudi Arabia | 1 | 1.7% |
8 | Japan | 1 | 1.7% |
9 | Finland | 1 | 1.7% |
10 | France | 1 | 1.7% |