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 258 70.7%
2 United States 60 16.4%
3 Germany 24 6.6%
4 Taiwan 5 1.4%
5 Hong Kong 4 1.1%
6 United Kingdom 3 0.8%
7 Australia 2 0.5%
8 Hungary 2 0.5%
9 Moldova, Republic of 2 0.5%
10 Netherlands 2 0.5%
11 Singapore 1 0.3%
12 Sweden 1 0.3%
13 Mauritius 1 0.3%