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 41 33.3%
2 United States 36 29.3%
3 Germany 12 9.8%
4 Hong Kong 7 5.7%
5 Netherlands 6 4.9%
6 United Kingdom 5 4.1%
7 Sweden 3 2.4%
8 Japan 3 2.4%
9 Canada 3 2.4%
10 Norway 2 1.6%
11 Taiwan 2 1.6%
12 Switzerland 1 0.8%
13 Australia 1 0.8%
14 France 1 0.8%