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
1 550 76.4%
2 United States 104 14.4%
3 China 38 5.3%
4 United Kingdom 8 1.1%
5 Canada 6 0.8%
6 Germany 6 0.8%
7 France 4 0.6%
8 Australia 1 0.1%
9 Malaysia 1 0.1%
10 Mexico 1 0.1%
11 Philippines 1 0.1%