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 312 72.2%
2 United States 43 10%
3 Germany 30 6.9%
4 Hong Kong 10 2.3%
5 Taiwan 10 2.3%
6 Netherlands 9 2.1%
7 Japan 4 0.9%
8 Singapore 4 0.9%
9 United Kingdom 2 0.5%
10 Malaysia 2 0.5%
11 Australia 2 0.5%
12 Canada 2 0.5%
13 Nigeria 1 0.2%
14 Sweden 1 0.2%