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 24 36.4%
2 Germany 12 18.2%
3 China 7 10.6%
4 Netherlands 6 9.1%
5 Malaysia 4 6.1%
6 United Kingdom 4 6.1%
7 Taiwan 3 4.5%
8 Republic of Korea 2 3%
9 Korea, Republic of 2 3%
10 Colombia 1 1.5%
11 Canada 1 1.5%