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 219 40.9%
2 United States 120 22.4%
3 Germany 68 12.7%
4 United Kingdom 20 3.7%
5 Sweden 17 3.2%
6 Russia 15 2.8%
7 South Africa 12 2.2%
8 Israel 7 1.3%
9 Lithuania 7 1.3%
10 Hong Kong 7 1.3%
11 Cote D'ivoire 7 1.3%
12 Ghana 6 1.1%
13 Ireland 5 0.9%
14 Senegal 5 0.9%
15 Taiwan 4 0.7%
16 Thailand 3 0.6%
17 Estonia 3 0.6%
18 Australia 2 0.4%
19 Canada 2 0.4%
20 Poland 2 0.4%
21 Latvia 2 0.4%
22 Singapore 1 0.2%
23 Bulgaria 1 0.2%
24 Greece 1 0.2%