2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 27 | 24.8% |
2 | United States | 27 | 24.8% |
3 | Netherlands | 15 | 13.8% |
4 | Sweden | 10 | 9.2% |
5 | Russia | 9 | 8.3% |
6 | Germany | 9 | 8.3% |
7 | Korea, Republic of | 9 | 8.3% |
8 | Czech Republic | 2 | 1.8% |
9 | Canada | 1 | 0.9% |