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 United States 30 39%
2 China 27 35.1%
3 Germany 6 7.8%
4 Hong Kong 5 6.5%
5 Senegal 3 3.9%
6 Taiwan 1 1.3%
7 United Kingdom 1 1.3%
8 France 1 1.3%
9 Ireland 1 1.3%
10 Portugal 1 1.3%
11 Russia 1 1.3%