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 89 34.5%
2 United States 66 25.6%
3 Germany 26 10.1%
4 Netherlands 21 8.1%
5 Korea, Republic of 9 3.5%
6 Australia 9 3.5%
7 Ireland 8 3.1%
8 Sweden 7 2.7%
9 Taiwan 7 2.7%
10 Senegal 6 2.3%
11 India 3 1.2%
12 Iceland 2 0.8%
13 Singapore 2 0.8%
14 United Kingdom 1 0.4%
15 Malaysia 1 0.4%
16 Russia 1 0.4%