2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 23 | 33.3% |
2 | China | 19 | 27.5% |
3 | Germany | 14 | 20.3% |
4 | Netherlands | 4 | 5.8% |
5 | Republic of Korea | 3 | 4.3% |
6 | Romania | 3 | 4.3% |
7 | Peru | 1 | 1.4% |
8 | Hong Kong | 1 | 1.4% |
9 | Japan | 1 | 1.4% |