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 65 25.7%
2 China 57 22.5%
3 Germany 22 8.7%
4 Netherlands 21 8.3%
5 France 14 5.5%
6 India 11 4.3%
7 Ireland 10 4%
8 Korea, Republic of 10 4%
9 Taiwan 9 3.6%
10 Cote D'ivoire 8 3.2%
11 Belarus 7 2.8%
12 Sweden 7 2.8%
13 Russia 3 1.2%
14 Singapore 2 0.8%
15 Oman 2 0.8%
16 Canada 2 0.8%
17 Italy 1 0.4%
18 Poland 1 0.4%
19 Mongolia 1 0.4%