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 247 65%
2 United States 60 15.8%
3 Germany 37 9.7%
4 Hong Kong 10 2.6%
5 Russia 5 1.3%
6 Netherlands 4 1.1%
7 Sweden 3 0.8%
8 Taiwan 3 0.8%
9 Canada 2 0.5%
10 Japan 2 0.5%
11 Korea, Republic of 2 0.5%
12 Macao 1 0.3%
13 Ireland 1 0.3%
14 Italy 1 0.3%
15 United Kingdom 1 0.3%
16 Singapore 1 0.3%