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 41 40.6%
2 United States 34 33.7%
3 Germany 8 7.9%
4 Sweden 8 7.9%
5 Russia 3 3%
6 Japan 2 2%
7 France 2 2%
8 Netherlands 1 1%
9 Canada 1 1%
10 United Kingdom 1 1%