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 United States 156 56.9%
2 China 36 13.1%
3 Netherlands 26 9.5%
4 Hong Kong 23 8.4%
5 Canada 8 2.9%
6 Germany 6 2.2%
7 Sweden 5 1.8%
8 Taiwan 3 1.1%
9 United Kingdom 3 1.1%
10 Malaysia 3 1.1%
11 Cote D'ivoire 2 0.7%
12 Brazil 2 0.7%
13 Australia 1 0.4%