2020 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 33 | 38.4% |
2 | Germany | 28 | 32.6% |
3 | China | 14 | 16.3% |
4 | France | 4 | 4.7% |
5 | Korea, Republic of | 2 | 2.3% |
6 | United Kingdom | 2 | 2.3% |
7 | Canada | 1 | 1.2% |
8 | Russia | 1 | 1.2% |
9 | India | 1 | 1.2% |