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 46.1%
2 Germany 13 14.6%
3 Sweden 13 14.6%
4 United States 12 13.5%
5 Japan 4 4.5%
6 Netherlands 2 2.2%
7 India 2 2.2%
8 France 1 1.1%
9 Canada 1 1.1%