2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 41 | 49.4% |
2 | China | 16 | 19.3% |
3 | Germany | 12 | 14.5% |
4 | India | 3 | 3.6% |
5 | Republic of Korea | 3 | 3.6% |
6 | Taiwan | 3 | 3.6% |
7 | Australia | 2 | 2.4% |
8 | United Kingdom | 1 | 1.2% |
9 | Poland | 1 | 1.2% |
10 | France | 1 | 1.2% |