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 178 59.1%
2 United States 54 17.9%
3 Germany 41 13.6%
4 Taiwan 7 2.3%
5 Canada 4 1.3%
6 Ireland 4 1.3%
7 Sweden 2 0.7%
8 Hong Kong 2 0.7%
9 Cyprus 2 0.7%
10 Australia 2 0.7%
11 Austria 2 0.7%
12 United Kingdom 2 0.7%
13 Ukraine 1 0.3%