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 China 175 67.6%
2 United States 55 21.2%
3 Germany 13 5%
4 Netherlands 5 1.9%
5 Taiwan 3 1.2%
6 Australia 2 0.8%
7 United Kingdom 2 0.8%
8 Turkey 1 0.4%
9 Singapore 1 0.4%
10 Ireland 1 0.4%
11 Japan 1 0.4%