BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 28 32.2%
2 China 14 16.1%
3 Germany 8 9.2%
4 Finland 8 9.2%
5 France 4 4.6%
6 Russia 4 4.6%
7 Canada 4 4.6%
8 Chile 3 3.4%
9 United Kingdom 3 3.4%
10 Ecuador 2 2.3%
11 Viet Nam 2 2.3%
12 Italy 2 2.3%
13 Australia 1 1.1%
14 Sweden 1 1.1%
15 Hong Kong 1 1.1%
16 India 1 1.1%
17 Iran, Islamic Republic of 1 1.1%