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 209 63.7%
2 United States 60 18.3%
3 Germany 34 10.4%
4 Hong Kong 5 1.5%
5 Russia 4 1.2%
6 United Kingdom 4 1.2%
7 Taiwan 3 0.9%
8 Singapore 2 0.6%
9 Sweden 2 0.6%
10 Philippines 2 0.6%
11 Romania 1 0.3%
12 Netherlands 1 0.3%
13 France 1 0.3%