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 205 61%
2 United States 45 13.4%
3 Germany 35 10.4%
4 Netherlands 22 6.5%
5 United Kingdom 4 1.2%
6 Macao 3 0.9%
7 Singapore 3 0.9%
8 Belgium 3 0.9%
9 Burkina Faso 3 0.9%
10 Hong Kong 2 0.6%
11 Ireland 2 0.6%
12 Sweden 2 0.6%
13 Taiwan 2 0.6%
14 Japan 2 0.6%
15 Israel 1 0.3%
16 Canada 1 0.3%
17 Bulgaria 1 0.3%