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 32 39.5%
2 China 17 21%
3 Germany 11 13.6%
4 United Kingdom 4 4.9%
5 Canada 4 4.9%
6 Malaysia 3 3.7%
7 Netherlands 3 3.7%
8 Australia 2 2.5%
9 Hong Kong 2 2.5%
10 France 1 1.2%
11 Singapore 1 1.2%
12 Sweden 1 1.2%