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 246 61.7%
2 United States 59 14.8%
3 Germany 27 6.8%
4 Canada 22 5.5%
5 Hong Kong 13 3.3%
6 Taiwan 7 1.8%
7 Australia 6 1.5%
8 Japan 5 1.3%
9 Russia 4 1%
10 Singapore 4 1%
11 Sweden 2 0.5%
12 Turkey 1 0.3%
13 Netherlands 1 0.3%
14 Austria 1 0.3%
15 Italy 1 0.3%