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 29 36.7%
2 United Kingdom 14 17.7%
3 China 14 17.7%
4 Russia 8 10.1%
5 Germany 4 5.1%
6 India 2 2.5%
7 Czech Republic 2 2.5%
8 Estonia 1 1.3%
9 Finland 1 1.3%
10 France 1 1.3%
11 Latvia 1 1.3%
12 Poland 1 1.3%
13 Hong Kong 1 1.3%