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 29 38.7%
2 United States 24 32%
3 Germany 9 12%
4 Netherlands 6 8%
5 Republic of Korea 2 2.7%
6 Taiwan 1 1.3%
7 United Kingdom 1 1.3%
8 Ireland 1 1.3%
9 Australia 1 1.3%
10 Canada 1 1.3%