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 171 49%
2 United States 61 17.5%
3 Germany 51 14.6%
4 Netherlands 34 9.7%
5 Hong Kong 11 3.2%
6 Canada 4 1.1%
7 Singapore 4 1.1%
8 Sweden 2 0.6%
9 Taiwan 2 0.6%
10 United Kingdom 2 0.6%
11 Australia 2 0.6%
12 Greece 2 0.6%
13 Ireland 2 0.6%
14 Senegal 1 0.3%