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 53 46.1%
2 United Kingdom 21 18.3%
3 China 21 18.3%
4 Russia 6 5.2%
5 France 5 4.3%
6 India 2 1.7%
7 Netherlands 1 0.9%
8 Poland 1 0.9%
9 Hong Kong 1 0.9%
10 Czech Republic 1 0.9%
11 Estonia 1 0.9%
12 Finland 1 0.9%
13 Taiwan 1 0.9%