BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 190 68.1%
2 United States 46 16.5%
3 Germany 30 10.8%
4 Sweden 3 1.1%
5 Taiwan 2 0.7%
6 Singapore 2 0.7%
7 Brazil 1 0.4%
8 Turkey 1 0.4%
9 United Kingdom 1 0.4%
10 Hong Kong 1 0.4%
11 India 1 0.4%
12 Finland 1 0.4%