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 76 56.7%
2 China 18 13.4%
3 United Kingdom 12 9%
4 Russia 8 6%
5 France 6 4.5%
6 India 2 1.5%
7 Estonia 2 1.5%
8 Netherlands 2 1.5%
9 Poland 1 0.7%
10 Canada 1 0.7%
11 Finland 1 0.7%
12 Czech Republic 1 0.7%
13 Italy 1 0.7%
14 Japan 1 0.7%
15 Germany 1 0.7%
16 Hong Kong 1 0.7%