2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 30 | 44.1% |
2 | China | 15 | 22.1% |
3 | Germany | 13 | 19.1% |
4 | Republic of Korea | 3 | 4.4% |
5 | Taiwan | 3 | 4.4% |
6 | Hong Kong | 1 | 1.5% |
7 | Mexico | 1 | 1.5% |
8 | Netherlands | 1 | 1.5% |
9 | Qatar | 1 | 1.5% |