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 United States 67 65.7%
2 China 16 15.7%
3 Germany 4 3.9%
4 United Kingdom 3 2.9%
5 Singapore 2 2%
6 Japan 2 2%
7 Australia 2 2%
8 Bangladesh 2 2%
9 Canada 1 1%
10 Austria 1 1%
11 Netherlands 1 1%
12 New Zealand 1 1%