BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 37 37.8%
2 China 25 25.5%
3 Germany 8 8.2%
4 Hong Kong 8 8.2%
5 Australia 4 4.1%
6 Canada 2 2%
7 Japan 2 2%
8 Korea, Republic of 2 2%
9 Malaysia 2 2%
10 United Kingdom 2 2%
11 Italy 1 1%
12 Portugal 1 1%
13 South Africa 1 1%
14 Sweden 1 1%
15 Finland 1 1%
16 France 1 1%