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 203 61.7%
2 United States 60 18.2%
3 Taiwan 14 4.3%
4 Germany 13 4%
5 Hong Kong 13 4%
6 United Kingdom 9 2.7%
7 Portugal 6 1.8%
8 Russia 3 0.9%
9 Senegal 3 0.9%
10 Japan 2 0.6%
11 Netherlands 1 0.3%
12 France 1 0.3%
13 1 0.3%