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 32.1%
2 China 47 28%
3 United Kingdom 24 14.3%
4 Germany 11 6.5%
5 Russia 11 6.5%
6 France 5 3%
7 Taiwan 4 2.4%
8 Ukraine 3 1.8%
9 Senegal 3 1.8%
10 Canada 2 1.2%
11 Estonia 2 1.2%
12 Moldova, Republic of 1 0.6%
13 Poland 1 0.6%