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 60 61.2%
2 China 10 10.2%
3 Germany 9 9.2%
4 Netherlands 5 5.1%
5 Taiwan 4 4.1%
6 United Kingdom 3 3.1%
7 Singapore 3 3.1%
8 France 2 2%
9 Republic of Korea 1 1%
10 Australia 1 1%