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 44 33.3%
2 China 29 22%
3 United Kingdom 27 20.5%
4 Russia 11 8.3%
5 Taiwan 6 4.5%
6 Ukraine 4 3%
7 Germany 3 2.3%
8 Estonia 2 1.5%
9 Finland 2 1.5%
10 France 2 1.5%
11 Moldova, Republic of 1 0.8%
12 Poland 1 0.8%