BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 United States 8 29.6%
2 China 5 18.5%
3 Canada 4 14.8%
4 Singapore 3 11.1%
5 Spain 1 3.7%
6 United Kingdom 1 3.7%
7 Australia 1 3.7%
8 Bangladesh 1 3.7%
9 Germany 1 3.7%
10 Ireland 1 3.7%
11 Korea, Republic of 1 3.7%