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 15 31.9%
2 Germany 9 19.1%
3 China 8 17%
4 Netherlands 5 10.6%
5 Malaysia 3 6.4%
6 2 4.3%
7 Republic of Korea 2 4.3%
8 United Kingdom 1 2.1%
9 Australia 1 2.1%
10 Canada 1 2.1%