2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 49 | 49.5% |
2 | Netherlands | 18 | 18.2% |
3 | United States | 18 | 18.2% |
4 | Germany | 4 | 4% |
5 | Canada | 3 | 3% |
6 | Malaysia | 3 | 3% |
7 | Czech Republic | 2 | 2% |
8 | France | 1 | 1% |
9 | Iran, Islamic Republic of | 1 | 1% |