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 146 50.9%
2 United States 85 29.6%
3 Germany 20 7%
4 Canada 16 5.6%
5 Australia 5 1.7%
6 Austria 2 0.7%
7 Belarus 2 0.7%
8 Brazil 2 0.7%
9 Hong Kong 2 0.7%
10 Netherlands 2 0.7%
11 Singapore 2 0.7%
12 Sweden 2 0.7%
13 United Kingdom 1 0.3%