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 45 42.1%
2 Germany 19 17.8%
3 United Kingdom 15 14%
4 China 11 10.3%
5 Russia 5 4.7%
6 France 4 3.7%
7 Estonia 2 1.9%
8 Ukraine 2 1.9%
9 Hong Kong 2 1.9%
10 Netherlands 1 0.9%
11 Czech Republic 1 0.9%