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 241 65.7%
2 United States 60 16.3%
3 Germany 26 7.1%
4 Taiwan 12 3.3%
5 Hong Kong 7 1.9%
6 Japan 4 1.1%
7 Singapore 4 1.1%
8 Macao 3 0.8%
9 Australia 2 0.5%
10 Canada 2 0.5%
11 Sweden 2 0.5%
12 United Kingdom 2 0.5%
13 France 1 0.3%
14 Netherlands 1 0.3%