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 206 63.4%
2 United States 46 14.2%
3 Germany 15 4.6%
4 Hong Kong 14 4.3%
5 Canada 12 3.7%
6 5 1.5%
7 Portugal 5 1.5%
8 Russia 5 1.5%
9 Singapore 5 1.5%
10 Senegal 3 0.9%
11 United Kingdom 3 0.9%
12 Macao 2 0.6%
13 Japan 1 0.3%
14 Australia 1 0.3%
15 Finland 1 0.3%
16 Taiwan 1 0.3%