2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 36 | 46.2% |
2 | United States | 18 | 23.1% |
3 | Germany | 13 | 16.7% |
4 | Netherlands | 6 | 7.7% |
5 | Republic of Korea | 1 | 1.3% |
6 | Singapore | 1 | 1.3% |
7 | Taiwan | 1 | 1.3% |
8 | Tunisia | 1 | 1.3% |
9 | United Kingdom | 1 | 1.3% |