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 127 54.7%
2 United States 80 34.5%
3 Germany 10 4.3%
4 Netherlands 4 1.7%
5 Hong Kong 3 1.3%
6 Singapore 2 0.9%
7 Canada 2 0.9%
8 Australia 1 0.4%
9 Taiwan 1 0.4%
10 Italy 1 0.4%
11 Japan 1 0.4%