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
1 718 94.1%
2 China 20 2.6%
3 United States 10 1.3%
4 United Kingdom 4 0.5%
5 Canada 3 0.4%
6 Sweden 2 0.3%
7 Taiwan 1 0.1%
8 Australia 1 0.1%
9 Germany 1 0.1%
10 Hong Kong 1 0.1%
11 Italy 1 0.1%
12 Malaysia 1 0.1%