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 234 39.7%
2 United States 113 19.2%
3 Germany 84 14.2%
4 United Kingdom 24 4.1%
5 Sweden 20 3.4%
6 South Africa 17 2.9%
7 Russia 16 2.7%
8 Ireland 11 1.9%
9 Senegal 8 1.4%
10 Lithuania 8 1.4%
11 Netherlands 7 1.2%
12 Japan 7 1.2%
13 Ghana 7 1.2%
14 Cote D'ivoire 7 1.2%
15 Israel 6 1%
16 Thailand 5 0.8%
17 Hong Kong 4 0.7%
18 France 2 0.3%
19 Australia 2 0.3%
20 Switzerland 2 0.3%
21 Taiwan 2 0.3%
22 Turkey 2 0.3%
23 Moldova, Republic of 1 0.2%
24 Singapore 1 0.2%