2020 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 51 | 52% |
2 | China | 20 | 20.4% |
3 | Germany | 11 | 11.2% |
4 | Canada | 4 | 4.1% |
5 | Taiwan | 3 | 3.1% |
6 | France | 2 | 2% |
7 | Japan | 2 | 2% |
8 | Korea, Republic of | 1 | 1% |
9 | Malaysia | 1 | 1% |
10 | Russia | 1 | 1% |
11 | Sweden | 1 | 1% |
12 | Czech Republic | 1 | 1% |