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 Germany 14 25.5%
2 China 13 23.6%
3 United States 13 23.6%
4 Netherlands 5 9.1%
5 Republic of Korea 3 5.5%
6 Romania 3 5.5%
7 Canada 1 1.8%
8 Finland 1 1.8%
9 Hong Kong 1 1.8%
10 Mexico 1 1.8%