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 170 47.8%
2 United States 100 28.1%
3 Hong Kong 24 6.7%
4 Germany 18 5.1%
5 Taiwan 13 3.7%
6 United Kingdom 7 2%
7 Japan 6 1.7%
8 Canada 5 1.4%
9 Singapore 5 1.4%
10 Netherlands 4 1.1%
11 Portugal 1 0.3%
12 Andorra 1 0.3%
13 Sweden 1 0.3%
14 Switzerland 1 0.3%