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 30 45.5%
2 Germany 7 10.6%
3 Brazil 6 9.1%
4 United States 6 9.1%
5 Singapore 4 6.1%
6 Canada 4 6.1%
7 United Kingdom 3 4.5%
8 Australia 2 3%
9 Netherlands 2 3%
10 Italy 1 1.5%
11 Malaysia 1 1.5%