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 41 42.3%
2 Germany 14 14.4%
3 China 10 10.3%
4 Egypt 9 9.3%
5 France 9 9.3%
6 Saudi Arabia 2 2.1%
7 South Africa 1 1%
8 Taiwan 1 1%
9 Thailand 1 1%
10 United Kingdom 1 1%
11 Canada 1 1%
12 Hong Kong 1 1%
13 Indonesia 1 1%
14 Iran, Islamic Republic of 1 1%
15 Italy 1 1%
16 Korea, Republic of 1 1%
17 Myanmar 1 1%
18 Pakistan 1 1%