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 25 31.6%
2 China 19 24.1%
3 United Kingdom 15 19%
4 Russia 5 6.3%
5 Senegal 4 5.1%
6 France 4 5.1%
7 Germany 2 2.5%
8 Hong Kong 1 1.3%
9 India 1 1.3%
10 Ukraine 1 1.3%
11 Czech Republic 1 1.3%
12 Estonia 1 1.3%