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 54 44.3%
2 China 30 24.6%
3 United Kingdom 14 11.5%
4 Russia 6 4.9%
5 France 5 4.1%
6 India 2 1.6%
7 Czech Republic 2 1.6%
8 Ukraine 2 1.6%
9 Canada 2 1.6%
10 Estonia 1 0.8%
11 Finland 1 0.8%
12 Poland 1 0.8%
13 Germany 1 0.8%
14 Hong Kong 1 0.8%