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 36 38.7%
2 United States 26 28%
3 Germany 14 15.1%
4 Singapore 5 5.4%
5 Netherlands 4 4.3%
6 Hong Kong 4 4.3%
7 Republic of Korea 2 2.2%
8 Korea, Republic of 1 1.1%
9 Ecuador 1 1.1%