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 37 47.4%
2 China 12 15.4%
3 Germany 12 15.4%
4 Netherlands 4 5.1%
5 Republic of Korea 4 5.1%
6 Singapore 4 5.1%
7 India 2 2.6%
8 Korea, Republic of 1 1.3%
9 Hong Kong 1 1.3%
10 Hungary 1 1.3%