2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 39 | 45.9% |
2 | China | 24 | 28.2% |
3 | Germany | 12 | 14.1% |
4 | Taiwan | 3 | 3.5% |
5 | Romania | 3 | 3.5% |
6 | Russia | 1 | 1.2% |
7 | Hungary | 1 | 1.2% |
8 | Korea, Republic of | 1 | 1.2% |
9 | Malaysia | 1 | 1.2% |