BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 191 74.9%
2 United States 20 7.8%
3 Denmark 17 6.7%
4 China 5 2%
5 Taiwan 5 2%
6 United Kingdom 5 2%
7 Belgium 3 1.2%
8 Canada 3 1.2%
9 Australia 2 0.8%
10 Singapore 2 0.8%
11 Germany 1 0.4%
12 Lao People's Democratic Republic 1 0.4%