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 76 42.5%
2 China 26 14.5%
3 Germany 11 6.1%
4 Lithuania 10 5.6%
5 Cote D'ivoire 9 5%
6 Hong Kong 7 3.9%
7 India 7 3.9%
8 Netherlands 7 3.9%
9 Singapore 7 3.9%
10 Sweden 5 2.8%
11 Russia 3 1.7%
12 Taiwan 2 1.1%
13 Egypt 2 1.1%
14 Brazil 2 1.1%
15 Canada 2 1.1%
16 Indonesia 1 0.6%
17 Israel 1 0.6%
18 Japan 1 0.6%