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 China 47 40.2%
2 United States 23 19.7%
3 Germany 15 12.8%
4 United Kingdom 8 6.8%
5 Russia 4 3.4%
6 Senegal 3 2.6%
7 France 3 2.6%
8 Singapore 2 1.7%
9 India 2 1.7%
10 Estonia 2 1.7%
11 Philippines 2 1.7%
12 Romania 2 1.7%
13 Jordan 1 0.9%
14 Moldova, Republic of 1 0.9%
15 Netherlands 1 0.9%
16 Ukraine 1 0.9%