BPG致力于知识的发现和传播
Total Visits of This Article
2023 | 总访问次数
排名 国家/地区 数量 占比
1 China 41 48.2%
2 Germany 16 18.8%
3 United States 15 17.6%
4 Hong Kong 4 4.7%
5 Iran, Islamic Republic of 3 3.5%
6 Japan 2 2.4%
7 France 2 2.4%
8 Netherlands 1 1.2%
9 Saudi Arabia 1 1.2%