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 18 56.2%
2 China 4 12.5%
3 Germany 2 6.2%
4 Netherlands 2 6.2%
5 Republic of Korea 1 3.1%
6 Thailand 1 3.1%
7 Hong Kong 1 3.1%
8 Japan 1 3.1%
9 Finland 1 3.1%
10 France 1 3.1%