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 50%
2 United Kingdom 12 13.3%
3 China 11 12.2%
4 Russia 6 6.7%
5 Netherlands 2 2.2%
6 Estonia 2 2.2%
7 Germany 2 2.2%
8 India 2 2.2%
9 Latvia 1 1.1%
10 Hong Kong 1 1.1%
11 France 1 1.1%
12 Czech Republic 1 1.1%
13 Poland 1 1.1%
14 Singapore 1 1.1%
15 Taiwan 1 1.1%
16 Ukraine 1 1.1%