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 206 60.9%
2 United States 62 18.3%
3 Germany 43 12.7%
4 Hong Kong 4 1.2%
5 Ireland 4 1.2%
6 Taiwan 3 0.9%
7 Ukraine 3 0.9%
8 United Kingdom 3 0.9%
9 Netherlands 2 0.6%
10 Sweden 2 0.6%
11 Bulgaria 2 0.6%
12 Canada 2 0.6%
13 India 1 0.3%
14 Belgium 1 0.3%