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
1 319 90.1%
2 China 18 5.1%
3 United States 6 1.7%
4 Canada 4 1.1%
5 United Kingdom 2 0.6%
6 France 1 0.3%
7 Germany 1 0.3%
8 New Zealand 1 0.3%
9 Sweden 1 0.3%
10 Switzerland 1 0.3%