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 20 43.5%
2 Germany 10 21.7%
3 Netherlands 4 8.7%
4 China 3 6.5%
5 Romania 3 6.5%
6 Taiwan 2 4.3%
7 United Kingdom 1 2.2%
8 Republic of Korea 1 2.2%
9 Hong Kong 1 2.2%
10 Ireland 1 2.2%