2017 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 30 | 49.2% |
2 | Germany | 17 | 27.9% |
3 | China | 5 | 8.2% |
4 | Taiwan | 2 | 3.3% |
5 | India | 2 | 3.3% |
6 | Japan | 2 | 3.3% |
7 | Korea, Republic of | 1 | 1.6% |
8 | Republic of Korea | 1 | 1.6% |
9 | Greece | 1 | 1.6% |