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 98 45.6%
2 United States 60 27.9%
3 Hong Kong 18 8.4%
4 Germany 11 5.1%
5 Portugal 6 2.8%
6 Senegal 3 1.4%
7 Taiwan 3 1.4%
8 Japan 3 1.4%
9 3 1.4%
10 Canada 2 0.9%
11 Malaysia 2 0.9%
12 Italy 1 0.5%
13 France 1 0.5%
14 United Kingdom 1 0.5%
15 Serbia 1 0.5%
16 Singapore 1 0.5%
17 Russia 1 0.5%