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 29 22.8%
2 China 25 19.7%
3 Germany 23 18.1%
4 Netherlands 10 7.9%
5 Turkey 10 7.9%
6 United Kingdom 4 3.1%
7 India 3 2.4%
8 Iran, Islamic Republic of 3 2.4%
9 Nigeria 2 1.6%
10 Oman 2 1.6%
11 Russia 2 1.6%
12 France 2 1.6%
13 Georgia 2 1.6%
14 Australia 2 1.6%
15 Canada 2 1.6%
16 Egypt 1 0.8%
17 Hong Kong 1 0.8%
18 Ireland 1 0.8%
19 Latvia 1 0.8%
20 Nepal 1 0.8%
21 Ukraine 1 0.8%