2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 31 | 44.9% |
2 | Germany | 13 | 18.8% |
3 | China | 8 | 11.6% |
4 | Taiwan | 8 | 11.6% |
5 | India | 3 | 4.3% |
6 | Australia | 2 | 2.9% |
7 | Hong Kong | 1 | 1.4% |
8 | Iran, Islamic Republic of | 1 | 1.4% |
9 | Ireland | 1 | 1.4% |
10 | Republic of Korea | 1 | 1.4% |