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 45 46.9%
2 United Kingdom 17 17.7%
3 China 11 11.5%
4 Russia 8 8.3%
5 Germany 3 3.1%
6 India 2 2.1%
7 Estonia 2 2.1%
8 Netherlands 2 2.1%
9 Poland 1 1%
10 Ukraine 1 1%
11 France 1 1%
12 Czech Republic 1 1%
13 Latvia 1 1%
14 Hong Kong 1 1%