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 90 41.7%
2 United States 62 28.7%
3 Germany 14 6.5%
4 Netherlands 10 4.6%
5 Switzerland 8 3.7%
6 Sweden 5 2.3%
7 France 5 2.3%
8 Canada 5 2.3%
9 Ireland 4 1.9%
10 Philippines 3 1.4%
11 Norway 2 0.9%
12 Japan 2 0.9%
13 Hong Kong 2 0.9%
14 Australia 2 0.9%
15 Finland 1 0.5%
16 Turkey 1 0.5%