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 77 52.4%
2 United States 42 28.6%
3 Singapore 4 2.7%
4 Sweden 3 2%
5 Switzerland 3 2%
6 United Kingdom 3 2%
7 Germany 3 2%
8 Hong Kong 3 2%
9 Malaysia 3 2%
10 Russia 2 1.4%
11 Finland 1 0.7%
12 Australia 1 0.7%
13 Canada 1 0.7%
14 Taiwan 1 0.7%