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 186 52.5%
2 United States 80 22.6%
3 Germany 19 5.4%
4 Netherlands 15 4.2%
5 Australia 9 2.5%
6 Sweden 9 2.5%
7 Korea, Republic of 9 2.5%
8 Ireland 7 2%
9 Taiwan 5 1.4%
10 Senegal 4 1.1%
11 India 4 1.1%
12 Singapore 2 0.6%
13 Italy 2 0.6%
14 Switzerland 2 0.6%
15 Barbados 1 0.3%