2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 18 | 30.5% |
2 | China | 16 | 27.1% |
3 | Germany | 14 | 23.7% |
4 | Romania | 3 | 5.1% |
5 | Senegal | 2 | 3.4% |
6 | Taiwan | 1 | 1.7% |
7 | United Kingdom | 1 | 1.7% |
8 | Japan | 1 | 1.7% |
9 | Malaysia | 1 | 1.7% |
10 | Republic of Korea | 1 | 1.7% |
11 | Finland | 1 | 1.7% |