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 272 56.4%
2 United States 66 13.7%
3 Germany 47 9.8%
4 Netherlands 36 7.5%
5 Canada 17 3.5%
6 Sweden 14 2.9%
7 Hong Kong 6 1.2%
8 Taiwan 3 0.6%
9 Singapore 3 0.6%
10 United Kingdom 3 0.6%
11 United Arab Emirates 2 0.4%
12 Romania 2 0.4%
13 Russia 2 0.4%
14 Italy 2 0.4%
15 Japan 2 0.4%
16 Macao 2 0.4%
17 Brazil 2 0.4%
18 Finland 1 0.2%