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 33.1%
2 China 40 22.1%
3 United Kingdom 23 12.7%
4 Russia 17 9.4%
5 Germany 11 6.1%
6 France 5 2.8%
7 Taiwan 5 2.8%
8 Japan 4 2.2%
9 Estonia 3 1.7%
10 Australia 3 1.7%
11 Senegal 3 1.7%
12 Ukraine 2 1.1%
13 Finland 1 0.6%
14 Czech Republic 1 0.6%
15 Moldova, Republic of 1 0.6%
16 Netherlands 1 0.6%
17 Poland 1 0.6%