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 76 27.6%
2 China 45 16.4%
3 Korea, Republic of 24 8.7%
4 Germany 20 7.3%
5 Egypt 18 6.5%
6 Sweden 17 6.2%
7 India 15 5.5%
8 United Kingdom 10 3.6%
9 Russia 6 2.2%
10 Turkey 5 1.8%
11 Taiwan 4 1.5%
12 Thailand 4 1.5%
13 France 4 1.5%
14 Italy 3 1.1%
15 Singapore 3 1.1%
16 Spain 3 1.1%
17 Pakistan 2 0.7%
18 Portugal 2 0.7%
19 Japan 2 0.7%
20 Ireland 2 0.7%
21 Denmark 2 0.7%
22 Brazil 2 0.7%
23 Canada 1 0.4%
24 Honduras 1 0.4%
25 Israel 1 0.4%
26 Iran, Islamic Republic of 1 0.4%
27 Netherlands 1 0.4%
28 Austria 1 0.4%