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 37 43.5%
2 China 13 15.3%
3 United Kingdom 12 14.1%
4 Russia 9 10.6%
5 France 3 3.5%
6 India 2 2.4%
7 Estonia 2 2.4%
8 Poland 2 2.4%
9 Latvia 1 1.2%
10 Netherlands 1 1.2%
11 Hong Kong 1 1.2%
12 Czech Republic 1 1.2%
13 Ukraine 1 1.2%