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 60 36.8%
2 China 31 19%
3 United Kingdom 28 17.2%
4 Germany 13 8%
5 Russia 7 4.3%
6 France 5 3.1%
7 Taiwan 5 3.1%
8 Estonia 3 1.8%
9 Canada 2 1.2%
10 Poland 2 1.2%
11 Senegal 2 1.2%
12 Ukraine 1 0.6%
13 Czech Republic 1 0.6%
14 Japan 1 0.6%
15 Moldova, Republic of 1 0.6%
16 Netherlands 1 0.6%