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 25 37.9%
2 China 19 28.8%
3 Germany 6 9.1%
4 Canada 3 4.5%
5 United Kingdom 3 4.5%
6 India 2 3%
7 France 2 3%
8 Brazil 2 3%
9 Australia 1 1.5%
10 Malaysia 1 1.5%
11 Singapore 1 1.5%
12 Hong Kong 1 1.5%