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 73 74.5%
2 United States 8 8.2%
3 China 6 6.1%
4 Netherlands 3 3.1%
5 Canada 2 2%
6 United Kingdom 2 2%
7 Singapore 1 1%
8 Germany 1 1%
9 Malaysia 1 1%
10 Australia 1 1%