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 71 54.6%
2 United States 20 15.4%
3 Germany 10 7.7%
4 Portugal 6 4.6%
5 Hong Kong 5 3.8%
6 United Kingdom 4 3.1%
7 3 2.3%
8 Senegal 3 2.3%
9 India 2 1.5%
10 Japan 2 1.5%
11 Netherlands 1 0.8%
12 Sweden 1 0.8%
13 Taiwan 1 0.8%
14 Russia 1 0.8%