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 90 37.3%
2 China 71 29.5%
3 Germany 20 8.3%
4 Ireland 11 4.6%
5 United Kingdom 9 3.7%
6 France 7 2.9%
7 Sweden 5 2.1%
8 Hong Kong 5 2.1%
9 Israel 4 1.7%
10 Canada 3 1.2%
11 Philippines 3 1.2%
12 Singapore 3 1.2%
13 Taiwan 2 0.8%
14 Estonia 2 0.8%
15 Kyrgyzstan 2 0.8%
16 Netherlands 2 0.8%
17 Ukraine 1 0.4%
18 Russia 1 0.4%