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 37 22.8%
2 China 28 17.3%
3 Japan 27 16.7%
4 Germany 18 11.1%
5 Pakistan 14 8.6%
6 Netherlands 10 6.2%
7 France 8 4.9%
8 Sweden 6 3.7%
9 India 4 2.5%
10 Iraq 3 1.9%
11 Cameroon 2 1.2%
12 United Kingdom 2 1.2%
13 Singapore 1 0.6%
14 Canada 1 0.6%
15 Korea, Republic of 1 0.6%