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 177 63.2%
2 United States 37 13.2%
3 Germany 35 12.5%
4 Hong Kong 7 2.5%
5 Russia 4 1.4%
6 France 4 1.4%
7 Taiwan 3 1.1%
8 Australia 3 1.1%
9 Austria 2 0.7%
10 Korea, Republic of 2 0.7%
11 Finland 2 0.7%
12 Viet Nam 2 0.7%
13 Brazil 1 0.4%
14 Canada 1 0.4%