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 78 33.9%
2 United States 54 23.5%
3 Germany 27 11.7%
4 Netherlands 11 4.8%
5 Australia 10 4.3%
6 Ireland 9 3.9%
7 Korea, Republic of 9 3.9%
8 Sweden 9 3.9%
9 Taiwan 7 3%
10 Senegal 6 2.6%
11 India 3 1.3%
12 Hong Kong 2 0.9%
13 Singapore 2 0.9%
14 Russia 2 0.9%
15 Finland 1 0.4%