2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 36 | 42.4% |
2 | China | 17 | 20% |
3 | Germany | 14 | 16.5% |
4 | Netherlands | 5 | 5.9% |
5 | Republic of Korea | 3 | 3.5% |
6 | Romania | 3 | 3.5% |
7 | Korea, Republic of | 2 | 2.4% |
8 | 2 | 2.4% | |
9 | Canada | 1 | 1.2% |
10 | Chile | 1 | 1.2% |
11 | Greece | 1 | 1.2% |