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 229 68.4%
2 United States 46 13.7%
3 Germany 18 5.4%
4 Canada 10 3%
5 Hong Kong 8 2.4%
6 Portugal 6 1.8%
7 5 1.5%
8 Senegal 3 0.9%
9 Taiwan 2 0.6%
10 Russia 2 0.6%
11 Korea, Republic of 1 0.3%
12 Australia 1 0.3%
13 Finland 1 0.3%
14 United Kingdom 1 0.3%
15 Singapore 1 0.3%
16 Sweden 1 0.3%