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 75 44.4%
2 United States 40 23.7%
3 Germany 17 10.1%
4 Hong Kong 5 3%
5 Portugal 5 3%
6 Canada 5 3%
7 France 4 2.4%
8 Senegal 4 2.4%
9 Sweden 4 2.4%
10 Netherlands 3 1.8%
11 3 1.8%
12 Japan 2 1.2%
13 Russia 1 0.6%
14 United Kingdom 1 0.6%