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 26 47.3%
2 China 10 18.2%
3 Germany 5 9.1%
4 Canada 4 7.3%
5 France 3 5.5%
6 Hong Kong 2 3.6%
7 United Kingdom 2 3.6%
8 Japan 1 1.8%
9 Sweden 1 1.8%
10 Australia 1 1.8%