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 China 17 37%
2 United States 14 30.4%
3 Canada 5 10.9%
4 Australia 2 4.3%
5 United Kingdom 2 4.3%
6 Germany 2 4.3%
7 Hong Kong 2 4.3%
8 Japan 1 2.2%
9 Singapore 1 2.2%