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
1 215 83.3%
2 United States 22 8.5%
3 China 11 4.3%
4 Hong Kong 2 0.8%
5 United Kingdom 2 0.8%
6 Japan 1 0.4%
7 Singapore 1 0.4%
8 Switzerland 1 0.4%
9 Taiwan 1 0.4%
10 Germany 1 0.4%
11 Canada 1 0.4%