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 251 63.2%
2 United States 67 16.9%
3 Germany 40 10.1%
4 Taiwan 9 2.3%
5 Hong Kong 6 1.5%
6 Australia 6 1.5%
7 Denmark 3 0.8%
8 United Kingdom 3 0.8%
9 Singapore 3 0.8%
10 Canada 2 0.5%
11 Netherlands 2 0.5%
12 Norway 2 0.5%
13 Philippines 2 0.5%
14 India 1 0.3%