2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 18 | 31% |
2 | China | 15 | 25.9% |
3 | Germany | 12 | 20.7% |
4 | Netherlands | 4 | 6.9% |
5 | Republic of Korea | 3 | 5.2% |
6 | Romania | 3 | 5.2% |
7 | Bulgaria | 1 | 1.7% |
8 | Peru | 1 | 1.7% |
9 | Philippines | 1 | 1.7% |