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 United States 34 43.6%
2 China 19 24.4%
3 Germany 6 7.7%
4 France 5 6.4%
5 United Kingdom 5 6.4%
6 Hong Kong 2 2.6%
7 India 2 2.6%
8 Japan 1 1.3%
9 Philippines 1 1.3%
10 Sweden 1 1.3%
11 Ukraine 1 1.3%
12 Canada 1 1.3%