BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 United States 63 24%
2 China 39 14.9%
3 Germany 25 9.5%
4 Netherlands 13 5%
5 Russia 12 4.6%
6 Pakistan 11 4.2%
7 India 11 4.2%
8 Indonesia 10 3.8%
9 Iran, Islamic Republic of 5 1.9%
10 Japan 5 1.9%
11 United Kingdom 5 1.9%
12 Switzerland 5 1.9%
13 France 4 1.5%
14 Korea, Republic of 4 1.5%
15 Iraq 4 1.5%
16 Italy 4 1.5%
17 Egypt 4 1.5%
18 Algeria 3 1.1%
19 Hong Kong 3 1.1%
20 Nigeria 3 1.1%
21 Norway 3 1.1%
22 Mexico 3 1.1%
23 Spain 2 0.8%
24 Sweden 2 0.8%
25 Syrian Arab Republic 2 0.8%
26 Thailand 2 0.8%
27 Ukraine 2 0.8%
28 Burkina Faso 2 0.8%
29 Canada 2 0.8%
30 Finland 1 0.4%
31 Argentina 1 0.4%
32 Austria 1 0.4%
33 Brazil 1 0.4%
34 Libya 1 0.4%
35 United Arab Emirates 1 0.4%
36 Viet Nam 1 0.4%
37 Peru 1 0.4%
38 Morocco 1 0.4%