BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 158 62.9%
2 United States 34 13.5%
3 Germany 19 7.6%
4 United Kingdom 8 3.2%
5 Hong Kong 7 2.8%
6 Portugal 6 2.4%
7 Taiwan 5 2%
8 4 1.6%
9 Canada 4 1.6%
10 Senegal 3 1.2%
11 Singapore 1 0.4%
12 Sweden 1 0.4%
13 Ireland 1 0.4%