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 43 39.1%
2 China 17 15.5%
3 United Kingdom 17 15.5%
4 Russia 5 4.5%
5 Germany 5 4.5%
6 France 4 3.6%
7 India 4 3.6%
8 Poland 3 2.7%
9 Switzerland 2 1.8%
10 Canada 2 1.8%
11 Hong Kong 1 0.9%
12 Czech Republic 1 0.9%
13 Estonia 1 0.9%
14 Finland 1 0.9%
15 Taiwan 1 0.9%
16 Ukraine 1 0.9%
17 Malaysia 1 0.9%
18 Netherlands 1 0.9%