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 United States 42 33.3%
2 Bangladesh 18 14.3%
3 Germany 16 12.7%
4 China 12 9.5%
5 Netherlands 11 8.7%
6 Russia 7 5.6%
7 France 5 4%
8 Denmark 4 3.2%
9 Belgium 4 3.2%
10 Japan 2 1.6%
11 Spain 2 1.6%
12 Romania 1 0.8%
13 Canada 1 0.8%
14 Colombia 1 0.8%