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 97 42.4%
2 United States 54 23.6%
3 Hong Kong 20 8.7%
4 Germany 14 6.1%
5 Netherlands 10 4.4%
6 Taiwan 9 3.9%
7 Canada 8 3.5%
8 Portugal 5 2.2%
9 3 1.3%
10 Japan 3 1.3%
11 United Kingdom 2 0.9%
12 Russia 2 0.9%
13 Senegal 1 0.4%
14 Singapore 1 0.4%