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 58 61.7%
2 China 15 16%
3 India 5 5.3%
4 France 3 3.2%
5 Netherlands 3 3.2%
6 Switzerland 2 2.1%
7 Germany 2 2.1%
8 Japan 2 2.1%
9 Australia 2 2.1%
10 United Kingdom 1 1.1%
11 Singapore 1 1.1%