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 248 64.1%
2 United States 53 13.7%
3 Canada 29 7.5%
4 Germany 24 6.2%
5 Japan 9 2.3%
6 Hong Kong 7 1.8%
7 Ireland 7 1.8%
8 Singapore 3 0.8%
9 Switzerland 3 0.8%
10 United Kingdom 2 0.5%
11 Luxembourg 1 0.3%
12 Bulgaria 1 0.3%