BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 97 52.2%
2 United States 71 38.2%
3 Germany 6 3.2%
4 Iran, Islamic Republic of 3 1.6%
5 Netherlands 2 1.1%
6 Russia 2 1.1%
7 Hong Kong 2 1.1%
8 Australia 2 1.1%
9 Canada 1 0.5%