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 68 51.9%
2 United States 29 22.1%
3 Germany 11 8.4%
4 Hong Kong 6 4.6%
5 Taiwan 3 2.3%
6 United Kingdom 3 2.3%
7 Russia 2 1.5%
8 Japan 2 1.5%
9 Canada 2 1.5%
10 Australia 1 0.8%
11 Czech Republic 1 0.8%
12 Pakistan 1 0.8%
13 Portugal 1 0.8%
14 Singapore 1 0.8%