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 184 42.6%
2 United States 85 19.7%
3 Germany 67 15.5%
4 United Kingdom 19 4.4%
5 Sweden 16 3.7%
6 Russia 13 3%
7 South Africa 8 1.9%
8 Ghana 6 1.4%
9 Ireland 6 1.4%
10 Thailand 5 1.2%
11 Lithuania 5 1.2%
12 Estonia 4 0.9%
13 Israel 4 0.9%
14 Senegal 3 0.7%
15 Switzerland 2 0.5%
16 Cote D'ivoire 2 0.5%
17 Australia 2 0.5%
18 Brazil 1 0.2%