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 42 38.9%
2 China 24 22.2%
3 United Kingdom 18 16.7%
4 Russia 7 6.5%
5 France 3 2.8%
6 Germany 3 2.8%
7 Czech Republic 2 1.9%
8 Estonia 2 1.9%
9 Taiwan 2 1.9%
10 India 2 1.9%
11 Netherlands 2 1.9%
12 Hong Kong 1 0.9%