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 212 62.9%
2 United States 89 26.4%
3 Germany 13 3.9%
4 Netherlands 5 1.5%
5 India 4 1.2%
6 Taiwan 4 1.2%
7 Japan 2 0.6%
8 Singapore 1 0.3%
9 Hong Kong 1 0.3%
10 Austria 1 0.3%
11 Bangladesh 1 0.3%
12 Canada 1 0.3%
13 Ukraine 1 0.3%
14 United Arab Emirates 1 0.3%
15 United Kingdom 1 0.3%