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
1 647 79.1%
2 United States 92 11.2%
3 China 54 6.6%
4 Germany 10 1.2%
5 France 5 0.6%
6 Australia 2 0.2%
7 Hong Kong 2 0.2%
8 Singapore 2 0.2%
9 United Kingdom 2 0.2%
10 Netherlands 1 0.1%
11 Canada 1 0.1%