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 75 51.4%
2 China 34 23.3%
3 Germany 9 6.2%
4 Taiwan 7 4.8%
5 France 6 4.1%
6 Singapore 4 2.7%
7 Netherlands 3 2.1%
8 Senegal 3 2.1%
9 United Kingdom 1 0.7%
10 Russia 1 0.7%
11 Sweden 1 0.7%
12 Hong Kong 1 0.7%
13 Japan 1 0.7%