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 223 57.8%
2 United States 57 14.8%
3 Germany 31 8%
4 Canada 30 7.8%
5 Taiwan 9 2.3%
6 Japan 8 2.1%
7 Hong Kong 7 1.8%
8 Netherlands 7 1.8%
9 Russia 3 0.8%
10 United Kingdom 3 0.8%
11 India 3 0.8%
12 Indonesia 2 0.5%
13 Austria 2 0.5%
14 Luxembourg 1 0.3%