2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 24 | 39.3% |
2 | China | 16 | 26.2% |
3 | Germany | 12 | 19.7% |
4 | Netherlands | 4 | 6.6% |
5 | Republic of Korea | 1 | 1.6% |
6 | Senegal | 1 | 1.6% |
7 | Taiwan | 1 | 1.6% |
8 | United Kingdom | 1 | 1.6% |
9 | Hong Kong | 1 | 1.6% |