BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 539 78.5%
2 United States 56 8.2%
3 China 31 4.5%
4 Germany 21 3.1%
5 Saudi Arabia 18 2.6%
6 France 5 0.7%
7 Cameroon 3 0.4%
8 Serbia 1 0.1%
9 United Kingdom 1 0.1%
10 Finland 1 0.1%
11 Brazil 1 0.1%
12 India 1 0.1%
13 Iraq 1 0.1%
14 Ireland 1 0.1%
15 Jordan 1 0.1%
16 Mexico 1 0.1%
17 Montenegro 1 0.1%
18 Myanmar 1 0.1%
19 Pakistan 1 0.1%
20 Portugal 1 0.1%
21 Viet Nam 1 0.1%