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 166 50.3%
2 United States 78 23.6%
3 Germany 31 9.4%
4 Hong Kong 28 8.5%
5 Canada 11 3.3%
6 Italy 4 1.2%
7 Ireland 3 0.9%
8 France 3 0.9%
9 Netherlands 2 0.6%
10 Sweden 2 0.6%
11 Russia 1 0.3%
12 Singapore 1 0.3%