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 160 69.6%
2 United States 18 7.8%
3 Hong Kong 15 6.5%
4 Taiwan 14 6.1%
5 Sweden 4 1.7%
6 Germany 3 1.3%
7 Senegal 2 0.9%
8 Singapore 2 0.9%
9 Canada 2 0.9%
10 Japan 2 0.9%
11 Korea, Republic of 1 0.4%
12 Malaysia 1 0.4%
13 Netherlands 1 0.4%
14 Russia 1 0.4%
15 Australia 1 0.4%
16 Denmark 1 0.4%
17 Italy 1 0.4%
18 United Kingdom 1 0.4%