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 27 37.5%
2 China 18 25%
3 Germany 9 12.5%
4 Netherlands 6 8.3%
5 Romania 3 4.2%
6 Taiwan 3 4.2%
7 Hong Kong 2 2.8%
8 India 1 1.4%
9 Finland 1 1.4%
10 Republic of Korea 1 1.4%
11 1 1.4%