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 44 40.7%
2 United States 29 26.9%
3 Germany 9 8.3%
4 Portugal 6 5.6%
5 Hong Kong 5 4.6%
6 4 3.7%
7 Senegal 3 2.8%
8 Taiwan 2 1.9%
9 United Kingdom 1 0.9%
10 Sweden 1 0.9%
11 Korea, Republic of 1 0.9%
12 Netherlands 1 0.9%
13 Russia 1 0.9%
14 France 1 0.9%