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 206 54.8%
2 United States 87 23.1%
3 Germany 47 12.5%
4 Taiwan 8 2.1%
5 Sweden 6 1.6%
6 Australia 5 1.3%
7 Canada 5 1.3%
8 Netherlands 3 0.8%
9 Pakistan 2 0.5%
10 Hong Kong 2 0.5%
11 United Kingdom 2 0.5%
12 Malaysia 1 0.3%
13 Singapore 1 0.3%
14 Czech Republic 1 0.3%