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 45 47.9%
2 China 27 28.7%
3 United Kingdom 6 6.4%
4 Taiwan 4 4.3%
5 Senegal 3 3.2%
6 Germany 3 3.2%
7 France 2 2.1%
8 Austria 1 1.1%
9 Estonia 1 1.1%
10 Hong Kong 1 1.1%
11 Russia 1 1.1%