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 China 77 54.6%
2 United States 34 24.1%
3 Germany 7 5%
4 Hong Kong 6 4.3%
5 Taiwan 6 4.3%
6 United Kingdom 2 1.4%
7 Canada 2 1.4%
8 Russia 2 1.4%
9 Singapore 1 0.7%
10 Finland 1 0.7%
11 Japan 1 0.7%
12 Malaysia 1 0.7%
13 Portugal 1 0.7%