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 96 41.6%
2 United States 55 23.8%
3 Germany 23 10%
4 Russia 11 4.8%
5 United Kingdom 9 3.9%
6 France 8 3.5%
7 Taiwan 5 2.2%
8 Singapore 4 1.7%
9 Senegal 3 1.3%
10 Japan 3 1.3%
11 Philippines 2 0.9%
12 Poland 2 0.9%
13 Hong Kong 2 0.9%
14 India 2 0.9%
15 Switzerland 2 0.9%
16 Canada 2 0.9%
17 Ukraine 1 0.4%
18 Netherlands 1 0.4%