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 41 48.2%
2 United States 20 23.5%
3 Germany 11 12.9%
4 Netherlands 4 4.7%
5 Hong Kong 2 2.4%
6 United Kingdom 2 2.4%
7 1 1.2%
8 Poland 1 1.2%
9 Republic of Korea 1 1.2%
10 Serbia 1 1.2%
11 Taiwan 1 1.2%