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 213 55%
2 United States 74 19.1%
3 Germany 38 9.8%
4 Hong Kong 19 4.9%
5 Netherlands 6 1.6%
6 Taiwan 5 1.3%
7 Australia 5 1.3%
8 Canada 5 1.3%
9 United Kingdom 4 1%
10 Sweden 3 0.8%
11 France 3 0.8%
12 Albania 2 0.5%
13 Singapore 2 0.5%
14 Finland 2 0.5%
15 Ireland 2 0.5%
16 Japan 2 0.5%
17 Norway 1 0.3%
18 Russia 1 0.3%