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 53 47.3%
2 China 27 24.1%
3 Germany 12 10.7%
4 Hong Kong 4 3.6%
5 Netherlands 4 3.6%
6 Romania 3 2.7%
7 Singapore 2 1.8%
8 Japan 2 1.8%
9 Australia 2 1.8%
10 Republic of Korea 1 0.9%
11 Sweden 1 0.9%
12 Taiwan 1 0.9%