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 51 50.5%
2 China 18 17.8%
3 Russia 10 9.9%
4 United Kingdom 9 8.9%
5 Germany 3 3%
6 India 2 2%
7 Latvia 1 1%
8 Netherlands 1 1%
9 Poland 1 1%
10 Estonia 1 1%
11 Finland 1 1%
12 France 1 1%
13 Hong Kong 1 1%
14 Ukraine 1 1%