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 70 56.5%
2 United States 25 20.2%
3 Germany 15 12.1%
4 Russia 4 3.2%
5 Romania 3 2.4%
6 United Kingdom 2 1.6%
7 Canada 1 0.8%
8 Switzerland 1 0.8%
9 United Arab Emirates 1 0.8%
10 Hungary 1 0.8%
11 Republic of Korea 1 0.8%