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 202 59.9%
2 United States 57 16.9%
3 Germany 31 9.2%
4 Canada 22 6.5%
5 Sweden 4 1.2%
6 Taiwan 3 0.9%
7 United Kingdom 3 0.9%
8 Russia 3 0.9%
9 Belarus 3 0.9%
10 Japan 2 0.6%
11 Netherlands 2 0.6%
12 Hungary 2 0.6%
13 Israel 1 0.3%
14 Austria 1 0.3%
15 Singapore 1 0.3%