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 China 17 31.5%
2 United States 17 31.5%
3 Japan 5 9.3%
4 Germany 3 5.6%
5 Hong Kong 3 5.6%
6 Canada 2 3.7%
7 Singapore 2 3.7%
8 Sweden 1 1.9%
9 Switzerland 1 1.9%
10 United Kingdom 1 1.9%
11 Australia 1 1.9%
12 Malaysia 1 1.9%