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 53 57.6%
2 United States 11 12%
3 China 10 10.9%
4 Germany 5 5.4%
5 Canada 4 4.3%
6 Hong Kong 2 2.2%
7 Singapore 2 2.2%
8 United Kingdom 2 2.2%
9 Taiwan 1 1.1%
10 Russia 1 1.1%
11 Denmark 1 1.1%