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 40 37%
2 United States 34 31.5%
3 Germany 15 13.9%
4 Hong Kong 5 4.6%
5 United Kingdom 3 2.8%
6 Malaysia 2 1.9%
7 Portugal 2 1.9%
8 Russia 1 0.9%
9 Singapore 1 0.9%
10 Sweden 1 0.9%
11 Taiwan 1 0.9%
12 Italy 1 0.9%
13 Japan 1 0.9%
14 Canada 1 0.9%