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
1 110 76.4%
2 United States 11 7.6%
3 China 11 7.6%
4 Germany 2 1.4%
5 Hong Kong 2 1.4%
6 United Kingdom 2 1.4%
7 Australia 2 1.4%
8 Canada 1 0.7%
9 Russia 1 0.7%
10 Taiwan 1 0.7%
11 Ukraine 1 0.7%