2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 39 | 50.6% |
2 | China | 18 | 23.4% |
3 | Germany | 12 | 15.6% |
4 | France | 2 | 2.6% |
5 | Republic of Korea | 2 | 2.6% |
6 | Serbia | 1 | 1.3% |
7 | Thailand | 1 | 1.3% |
8 | Ireland | 1 | 1.3% |
9 | Finland | 1 | 1.3% |