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 30 46.9%
2 United States 17 26.6%
3 Germany 5 7.8%
4 Netherlands 4 6.2%
5 Hong Kong 2 3.1%
6 Iran, Islamic Republic of 2 3.1%
7 Ireland 2 3.1%
8 Russia 1 1.6%
9 Taiwan 1 1.6%