BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 240 62%
2 United States 89 23%
3 Germany 34 8.8%
4 Russia 7 1.8%
5 Singapore 3 0.8%
6 Sweden 3 0.8%
7 Netherlands 2 0.5%
8 Romania 2 0.5%
9 Senegal 2 0.5%
10 United Kingdom 2 0.5%
11 India 1 0.3%
12 Taiwan 1 0.3%
13 Turkey 1 0.3%