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 United States 76 29.2%
2 China 74 28.5%
3 Germany 29 11.2%
4 Ireland 22 8.5%
5 United Kingdom 13 5%
6 Netherlands 11 4.2%
7 France 10 3.8%
8 Israel 5 1.9%
9 Canada 5 1.9%
10 Sweden 4 1.5%
11 Russia 4 1.5%
12 Singapore 3 1.2%
13 Philippines 3 1.2%
14 Japan 1 0.4%