2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 23 | 37.1% |
2 | China | 13 | 21% |
3 | Germany | 13 | 21% |
4 | Netherlands | 5 | 8.1% |
5 | Romania | 3 | 4.8% |
6 | Peru | 1 | 1.6% |
7 | Venezuela, Bolivarian Republic of | 1 | 1.6% |
8 | Malta | 1 | 1.6% |
9 | Colombia | 1 | 1.6% |
10 | Finland | 1 | 1.6% |