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 29 37.7%
2 China 19 24.7%
3 Germany 13 16.9%
4 Netherlands 5 6.5%
5 Romania 3 3.9%
6 Japan 2 2.6%
7 Canada 1 1.3%
8 Palestine 1 1.3%
9 Hong Kong 1 1.3%
10 India 1 1.3%
11 Trinidad and Tobago 1 1.3%
12 United Kingdom 1 1.3%