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 94 40.2%
2 China 69 29.5%
3 Germany 23 9.8%
4 United Kingdom 10 4.3%
5 Netherlands 8 3.4%
6 Russia 5 2.1%
7 Senegal 3 1.3%
8 Hong Kong 3 1.3%
9 Korea, Republic of 3 1.3%
10 India 2 0.9%
11 Japan 2 0.9%
12 Estonia 2 0.9%
13 Norway 2 0.9%
14 Philippines 1 0.4%
15 Poland 1 0.4%
16 Sweden 1 0.4%
17 Taiwan 1 0.4%
18 Ukraine 1 0.4%
19 Finland 1 0.4%
20 France 1 0.4%
21 Moldova, Republic of 1 0.4%