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 China 74 30%
2 United States 72 29.1%
3 Germany 25 10.1%
4 Netherlands 19 7.7%
5 Australia 10 4%
6 Korea, Republic of 9 3.6%
7 Sweden 7 2.8%
8 Taiwan 7 2.8%
9 Senegal 5 2%
10 Ireland 5 2%
11 India 4 1.6%
12 Singapore 3 1.2%
13 Malaysia 2 0.8%
14 Bahamas 2 0.8%
15 Burkina Faso 1 0.4%
16 Finland 1 0.4%
17 France 1 0.4%