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 169 70.4%
2 United States 32 13.3%
3 Germany 25 10.4%
4 Australia 4 1.7%
5 Netherlands 2 0.8%
6 Singapore 2 0.8%
7 Sweden 2 0.8%
8 Taiwan 2 0.8%
9 United Kingdom 1 0.4%
10 Hong Kong 1 0.4%