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 United States 12 36.4%
2 Sweden 7 21.2%
3 China 4 12.1%
4 Japan 4 12.1%
5 Germany 2 6.1%
6 Hong Kong 1 3%
7 Netherlands 1 3%
8 Russia 1 3%
9 United Kingdom 1 3%