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 35 35.4%
2 United States 24 24.2%
3 Germany 7 7.1%
4 Canada 6 6.1%
5 United Arab Emirates 5 5.1%
6 United Kingdom 3 3%
7 Sweden 3 3%
8 Japan 3 3%
9 Malaysia 2 2%
10 Netherlands 2 2%
11 New Zealand 1 1%
12 Singapore 1 1%
13 Taiwan 1 1%
14 Hong Kong 1 1%
15 Israel 1 1%
16 Italy 1 1%
17 Egypt 1 1%
18 Andorra 1 1%
19 Australia 1 1%