2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 24 | 35.8% |
2 | Germany | 13 | 19.4% |
3 | China | 11 | 16.4% |
4 | Iran | 5 | 7.5% |
5 | Netherlands | 4 | 6% |
6 | Romania | 4 | 6% |
7 | Finland | 2 | 3% |
8 | Hong Kong | 1 | 1.5% |
9 | India | 1 | 1.5% |
10 | Bolivia, Plurinational State of | 1 | 1.5% |
11 | Norway | 1 | 1.5% |