2019 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 28 | 43.8% |
2 | China | 23 | 35.9% |
3 | France | 7 | 10.9% |
4 | Ireland | 2 | 3.1% |
5 | Korea, Republic of | 1 | 1.6% |
6 | Sweden | 1 | 1.6% |
7 | Iran, Islamic Republic of | 1 | 1.6% |
8 | Czech Republic | 1 | 1.6% |