BPG致力于知识的发现和传播
Total Visits of This Article
2018 | 总访问次数
排名 国家/地区 数量 占比
1 United States 52 52%
2 China 27 27%
3 Germany 6 6%
4 Hong Kong 3 3%
5 France 3 3%
6 Netherlands 3 3%
7 United Kingdom 3 3%
8 Hungary 1 1%
9 Japan 1 1%
10 Canada 1 1%