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 39 51.3%
2 China 21 27.6%
3 Germany 4 5.3%
4 Singapore 3 3.9%
5 United Kingdom 3 3.9%
6 Canada 1 1.3%
7 Spain 1 1.3%
8 France 1 1.3%
9 Japan 1 1.3%
10 Malaysia 1 1.3%
11 Netherlands 1 1.3%