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 206 60.9%
2 United States 60 17.8%
3 Germany 33 9.8%
4 Hong Kong 12 3.6%
5 Netherlands 7 2.1%
6 Singapore 5 1.5%
7 United Kingdom 3 0.9%
8 Japan 3 0.9%
9 Brazil 3 0.9%
10 France 2 0.6%
11 Canada 1 0.3%
12 Australia 1 0.3%
13 Hungary 1 0.3%
14 Switzerland 1 0.3%